CVE-2026-123178 (GCVE-0-2026-123178)
Vulnerability from cvelistv5 – Published: 2026-11-10 16:03 – Updated: 2026-11-11 11:38
VLAI
EPSS
VEX
Title
Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350
Summary
An insufficient input validation vulnerability in the listed NETGEAR Orbi Models router allows an authenticated administrator connected to the local network to execute unauthorized commands and modify the router’s software and functionality, potentially compromising the integrity of the affected device.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-11 04:56 UTC
CWE
- CWE-20 - Improper input validation
Assigner
NETGEAR
CNA
References
3 references
| URL | Tags |
|---|---|
| https://www.netgear.com/support/product/rbr350 | productpatch |
| https://www.netgear.com/support/product/rbs350 | productpatch |
| https://kb.netgear.com/000070971/November-2026-NE… | vendor-advisorypatch |
Impacted products
Date Public
2026-11-10 16:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-123178",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-11-11T04:56:20.373973Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-11-11T10:50:24.031Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "RBR350",
"vendor": "NETGEAR",
"versions": [
{
"lessThan": "v4.4.3.4",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "RBS350",
"vendor": "NETGEAR",
"versions": [
{
"lessThan": "v4.4.3.4",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Lei Gu,Shanquan Yang,Boyu Kuang,Anmin Fu,Nanjing University of Science and Technology"
}
],
"datePublic": "2026-11-10T16:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAn insufficient input validation vulnerability\u0026nbsp;\u003cspan\u003ein the listed NETGEAR Orbi Models\u003c/span\u003e\u0026nbsp;router allows an authenticated administrator connected to the local network to execute unauthorized commands and modify the router\u2019s software and functionality, potentially compromising the integrity of the affected device.\u003c/p\u003e"
}
],
"value": "An insufficient input validation vulnerability\u00a0in the listed NETGEAR Orbi Models\u00a0router allows an authenticated administrator connected to the local network to execute unauthorized commands and modify the router\u2019s software and functionality, potentially compromising the integrity of the affected device."
}
],
"impacts": [
{
"capecId": "CAPEC-88",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-88 OS Command Injection"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"exploitMaturity": "UNREPORTED",
"privilegesRequired": "HIGH",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "DIFFUSE",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "LOW"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper input validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-11-11T11:38:38.418Z",
"orgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"shortName": "NETGEAR"
},
"references": [
{
"tags": [
"product",
"patch"
],
"url": "https://www.netgear.com/support/product/rbr350"
},
{
"tags": [
"product",
"patch"
],
"url": "https://www.netgear.com/support/product/rbs350"
},
{
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://kb.netgear.com/000070971/November-2026-NETGEAR-Security-Advisory"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eDevices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\u003c/p\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003eProduct\u003c/th\u003e\u003cth style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003eFixed Version\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003cb\u003eRBR350\u003c/b\u003e Orbi AX1800 WiFi 6 Dual-band Mesh Router\u003c/td\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003ca href=\"https://www.netgear.com/support/product/rbr350\"\u003ev4.4.3.4\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003cb\u003eRBS350\u003c/b\u003e Orbi AX1800 WiFi 6 Dual-band Mesh Add-on Satellite\u003c/td\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003ca href=\"https://www.netgear.com/support/product/rbs350\"\u003ev4.4.3.4\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e"
}
],
"value": "Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\n\nProductFixed VersionRBR350 Orbi AX1800 WiFi 6 Dual-band Mesh Router v4.4.3.4 https://www.netgear.com/support/product/rbr350 RBS350 Orbi AX1800 WiFi 6 Dual-band Mesh Add-on Satellite v4.4.3.4 https://www.netgear.com/support/product/rbs350"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"assignerShortName": "NETGEAR",
"cveId": "CVE-2026-123178",
"datePublished": "2026-11-10T16:03:17.333Z",
"dateReserved": "2026-11-05T16:47:22.240Z",
"dateUpdated": "2026-11-11T11:38:38.418Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.