Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

3363 vulnerabilities reference this CWE, most recent first.

CVE-2026-90732 (GCVE-0-2026-90732)

Vulnerability from cvelistv5 – Published: 2026-10-27 11:21 – Updated: 2026-10-29 01:52
VLAI
Summary
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through LTS 2026, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 01:40 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell PowerProtect Data Domain Affected: 0 , < 8.9.0.0 or later (semver)
Affected: 0 , < 7.13.1.90 or later (semver)
Affected: 0 , < 8.3.1.50 or later (semver)
Affected: 0 , < 8.6.1.30 or later (semver)
Create a notification for this product.
Date Public
2026-10-01 06:30
Credits
Dell would like to thank songxiaoyue for reporting the following issues
Show details on NVD website
To clipboard 

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CVE-2026-90731 (GCVE-0-2026-90731)

Vulnerability from cvelistv5 – Published: 2026-10-27 11:26 – Updated: 2026-10-29 01:52
VLAI
Summary
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.7, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 01:40 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell PowerProtect Data Domain Affected: 0 , < 8.9.0.0 or later (semver)
Affected: 0 , < 7.13.1.90 or later (semver)
Affected: 0 , < 8.3.1.50 or later (semver)
Affected: 0 , < 8.6.1.30 or later (semver)
Create a notification for this product.
Date Public
2026-10-01 06:30
Credits
Dell would like to thank songxiaoyue for reporting the following issues
Show details on NVD website
To clipboard 

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CVE-2026-90725 (GCVE-0-2026-90725)

Vulnerability from cvelistv5 – Published: 2026-10-27 13:47 – Updated: 2026-10-29 01:52
VLAI
Summary
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 01:39 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell PowerProtect Data Domain Affected: 0 , < 8.9.0.0 or later (semver)
Affected: 0 , < 7.13.1.90 or later (semver)
Affected: 0 , < 8.3.1.50 or later (semver)
Affected: 0 , < 8.6.1.30 or later (semver)
Create a notification for this product.
Date Public
2026-10-01 06:30
Credits
Dell would like to thank songxiaoyue for reporting the following issues
Show details on NVD website
To clipboard 

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CVE-2026-90693 (GCVE-0-2026-90693)

Vulnerability from cvelistv5 – Published: 2026-09-14 07:15 – Updated: 2026-09-15 15:59
VLAI
Title
D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow
Summary
A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:59 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
D-Link DIR-878 Affected: 120B05
    cpe:2.3:h:d-link:dir-878:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
AmaIIl (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-90692 (GCVE-0-2026-90692)

Vulnerability from cvelistv5 – Published: 2026-09-14 07:00 – Updated: 2026-09-15 13:57
VLAI
Title
D-Link DIR-878 Dynamic DNS IPv6 Settings SetDynamicDNSIPv6Settings stack-based overflow
Summary
A vulnerability was detected in D-Link DIR-878 120B05. This affects the function SetDynamicDNSIPv6Settings of the component Dynamic DNS IPv6 Settings. The manipulation of the argument IPv6Address/Hostname results in stack-based buffer overflow. The attack may be launched remotely.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:50 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
D-Link DIR-878 Affected: 120B05
    cpe:2.3:h:d-link:dir-878:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
AmaIIl (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-90689 (GCVE-0-2026-90689)

Vulnerability from cvelistv5 – Published: 2026-09-14 06:15 – Updated: 2026-09-14 10:55
VLAI
Title
Tenda W20E formDelWebAuthWhiteUser stack-based overflow
Summary
A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 10:54 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
Tenda W20E Affected: 15.11.0.61068_1546_841_CN_TDC
    cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
AmaIIl (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-90688 (GCVE-0-2026-90688)

Vulnerability from cvelistv5 – Published: 2026-09-14 06:00 – Updated: 2026-09-15 15:57
VLAI
Title
Tenda W20E HTTP formIPMacBindAdd stack-based overflow
Summary
A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:R
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:57 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
Tenda W20E Affected: 15.11.0.61068_1546_841_CN_TDC
    cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
AmaIIl (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-90680 (GCVE-0-2026-90680)

Vulnerability from cvelistv5 – Published: 2026-09-14 04:00 – Updated: 2026-09-16 14:43
VLAI
Title
D-Link DIR-823G HNAP1 SetStaticRouteSettings strcpy stack-based overflow
Summary
A security flaw has been discovered in D-Link DIR-823G 1.0.2B05_20181207. The impacted element is the function strcpy of the file /HNAP1/SetStaticRouteSettings of the component HNAP1. The manipulation of the argument PAddress/SubnetMask/Gateway results in stack-based buffer overflow. The attack can be launched remotely.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 14:43 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
D-Link DIR-823G Affected: 1.0.2B05_20181207
    cpe:2.3:h:d-link:dir-823g:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
AmaIIl (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-90628 (GCVE-0-2026-90628)

Vulnerability from cvelistv5 – Published: 2026-11-04 11:03 – Updated: 2026-11-05 04:55
VLAI
Title
Apache OpenOffice: Stack overflow in CFF hint handling
Summary
An uncontrolled memory access in the PDF export code of Apache OpenOffice versions through 4.1.16 allows a crafted CFF font to cause a stack overflow problem, causing program crash or memory corruption, or even running other code. Users are recommended to upgrade to version 4.1.17, which fixes this issue.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 00:00 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
apache CNA
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache OpenOffice Affected: 0 , ≤ 4.1.16 (semver)
Create a notification for this product.
Credits
Anthropic and Ada Logics
Show details on NVD website
To clipboard 

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CVE-2026-90558 (GCVE-0-2026-90558)

Vulnerability from cvelistv5 – Published: 2026-09-12 18:06 – Updated: 2026-09-14 18:24
VLAI
Title
sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers
Summary
sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious SIP packets with oversized Call-ID, X-Call-ID, or other header fields to overflow stack buffers and cause crashes or execute arbitrary code during packet parsing and rendering.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 18:23 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
irontec sngrep Affected: 0 , ≤ 1.8.4 (semver)
    cpe:2.3:a:irontec:sngrep:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-07 00:00
Credits
Tristan Madani
Show details on NVD website
To clipboard 

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          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-12T18:06:42.389Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Patch Commit",
          "tags": [
            "patch"
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          "url": "https://github.com/irontec/sngrep/commit/1ff74ee3ab5ff280e8ba976aa8c744dca57eb35b"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/irontec/sngrep"
        },
        {
          "tags": [
            "technical-description"
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          "url": "https://github.com/irontec/sngrep/blob/v1.8.4/src/sip_call.c#L260"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/irontec/sngrep/blob/v1.8.4/src/sip_msg.c#L150"
        },
        {
          "name": "VulnCheck Advisory: sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/sngrep-through-1.8.4-stack-buffer-overflow-via-sip-headers"
        }
      ],
      "title": "sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-90558",
    "datePublished": "2026-09-12T18:06:42.389Z",
    "dateReserved": "2026-09-12T11:13:43.326Z",
    "dateUpdated": "2026-09-14T18:24:23.055Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.

Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].

No CAPEC attack patterns related to this CWE.

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