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-2026-77148 (GCVE-0-2026-77148)

Vulnerability from cvelistv5 – Published: 2026-08-20 18:15 – Updated: 2026-08-20 19:46
VLAI
Title
Comfast CF-N1-S Web Management mbox-config sub_44B50C stack-based overflow
Summary
A vulnerability was found in Comfast CF-N1-S 2.6.0.1. This impacts the function sub_44B50C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel of the component Web Management. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
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:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/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:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 19:46 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/393733 vdb-entrytechnical-description
https://vuldb.com/vuln/393733/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-77148 third-party-advisory
https://vuldb.com/submit/880910 third-party-advisory
https://github.com/AdminSafe/CVE/issues/7 exploitissue-tracking
Impacted products
Vendor Product Version
Comfast CF-N1-S Affected: 2.6.0.1
    cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
010hex (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-77022 (GCVE-0-2026-77022)

Vulnerability from cvelistv5 – Published: 2026-08-20 16:45 – Updated: 2026-08-21 21:47
VLAI
Title
Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflow
Summary
A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function sub_44B438 of the file /cgi-bin/mbox-config?method=SET&section=ptest_ssid of the component SSID Configuration. The manipulation of the argument ssid results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
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:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/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:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 21:39 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/393637 vdb-entrytechnical-description
https://vuldb.com/vuln/393637/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-77022 third-party-advisory
https://vuldb.com/submit/880599 third-party-advisory
https://github.com/AdminSafe/CVE/issues/5 exploitissue-tracking
Impacted products
Vendor Product Version
Comfast CF-N1-S Affected: 2.6.0.1
    cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
010hex (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-76936 (GCVE-0-2026-76936)

Vulnerability from cvelistv5 – Published: 2026-10-27 09:37 – Updated: 2026-11-04 14:57
VLAI
Title
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3
Summary
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.
Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 14:55 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
Hitachi CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-76935 (GCVE-0-2026-76935)

Vulnerability from cvelistv5 – Published: 2026-10-27 09:37 – Updated: 2026-11-04 16:41
VLAI
Title
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3
Summary
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.
Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 16:39 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
Hitachi CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-76934 (GCVE-0-2026-76934)

Vulnerability from cvelistv5 – Published: 2026-10-27 09:37 – Updated: 2026-11-04 16:38
VLAI
Title
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3
Summary
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.
Severity
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: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 16:38 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
Hitachi CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-76932 (GCVE-0-2026-76932)

Vulnerability from cvelistv5 – Published: 2026-10-27 09:37 – Updated: 2026-11-04 14:57
VLAI
Title
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3
Summary
Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.
Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 14:55 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
Hitachi CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-76879 (GCVE-0-2026-76879)

Vulnerability from cvelistv5 – Published: 2026-08-19 22:44 – Updated: 2026-09-17 18:44
VLAI
Title
Stack-based Buffer Overflow in Wireshark
Summary
C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:08 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
GitLab CNA
References
Impacted products
Vendor Product Version
Wireshark Foundation Wireshark Affected: 4.6.0 , < 4.6.8 (semver)
Affected: 4.4.0 , < 4.4.18 (semver)
Create a notification for this product.
Credits
Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)
Show details on NVD website
To clipboard 

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CVE-2026-76869 (GCVE-0-2026-76869)

Vulnerability from cvelistv5 – Published: 2026-09-15 21:58 – Updated: 2026-09-17 19:27
VLAI
Title
Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in reboot_timer_set.cgi
Summary
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboot_timer_set.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/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 2026-09-17 18:57 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Netcore NR255-V Affected: 1.5.130703 (custom)
Create a notification for this product.
Date Public
2026-09-04 00:00
Credits
Zhou Ao Yin Luxing Jiang Yuxuan Liu Xin @Nebusec
Show details on NVD website
To clipboard 

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CVE-2026-76861 (GCVE-0-2026-76861)

Vulnerability from cvelistv5 – Published: 2026-09-15 21:57 – Updated: 2026-09-21 18:13
VLAI
Title
Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in ntools_tcpdump_start_set.cgi
Summary
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntools_tcpdump_start_set.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code.
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
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/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 2026-09-21 18:13 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Netcore NR255-V Affected: 1.5.130703 (custom)
Create a notification for this product.
Date Public
2026-09-04 00:00
Credits
Zhou Ao Yin Luxing Jiang Yuxuan Liu Xin @Nebusec
Show details on NVD website
To clipboard 

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CVE-2026-76860 (GCVE-0-2026-76860)

Vulnerability from cvelistv5 – Published: 2026-09-15 21:57 – Updated: 2026-09-16 19:31
VLAI
Title
Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in wake_up_set.cgi via MAC and ID Tokenization
Summary
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in wake_up_set.cgi caused by unbounded tokenization of MAC and ID input. Attackers can supply crafted MAC and ID values to the affected endpoint to overflow the stack buffer and corrupt program memory.
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
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/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 2026-09-16 19:30 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Netcore NR255-V Affected: 1.5.130703 (custom)
Create a notification for this product.
Date Public
2026-09-04 00:00
Credits
Zhou Ao Yin Luxing Jiang Yuxuan Liu Xin @Nebusec
Show details on NVD website
To clipboard 

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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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