CVE-2025-12941 (GCVE-0-2025-12941)
Vulnerability from cvelistv5 – Published: 2025-12-09 17:01 – Updated: 2025-12-09 20:44 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Denial of Service Vulnerability in NETGEAR C6220 and C6230
Summary
Denial of Service Vulnerability in NETGEAR C6220 and C6230 (DOCSIS® 3.0 Two-in-one Cable Modem + WiFi Router) allows authenticated local WiFi users reboot the router.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-09 20:22 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
NETGEAR
CNA
References
3 references
| URL | Tags |
|---|---|
| https://www.netgear.com/support/product/c6220/ | product |
| https://www.netgear.com/support/product/c6230/ | product |
| https://kb.netgear.com/000070416/December-2025-NE… | vendor-advisory |
Impacted products
Date Public
2025-12-09 02:30
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-12941",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-09T20:22:30.920742Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T20:44:09.127Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "C6220",
"vendor": "NETGEAR",
"versions": [
{
"lessThanOrEqual": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "C6230",
"vendor": "NETGEAR",
"versions": [
{
"lessThanOrEqual": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:c6220:*:*:*:*:*:*:*:*",
"versionEndIncluding": "*",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:c6230:*:*:*:*:*:*:*:*",
"versionEndIncluding": "*",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Quickdraw"
}
],
"datePublic": "2025-12-09T02:30:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003eDenial of Service Vulnerability in NETGEAR\u202fC6220\u202fand\u202fC6230\u202f(DOCSIS\u00ae 3.0 Two-in-one Cable Modem + WiFi Router) allows authenticated local WiFi users reboot the router. \u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003cbr\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e"
}
],
"value": "Denial of Service Vulnerability in NETGEAR\u202fC6220\u202fand\u202fC6230\u202f(DOCSIS\u00ae 3.0 Two-in-one Cable Modem + WiFi Router) allows authenticated local WiFi users reboot the router."
}
],
"exploits": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "We are not aware of any exploitation.\u0026nbsp;"
}
],
"value": "We are not aware of any exploitation."
}
],
"impacts": [
{
"capecId": "CAPEC-469",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-469 HTTP DoS"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NO",
"Recovery": "AUTOMATIC",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "ADJACENT",
"baseScore": 5,
"baseSeverity": "MEDIUM",
"exploitMaturity": "PROOF_OF_CONCEPT",
"privilegesRequired": "LOW",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "DIFFUSE",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/AU:N/R:A/V:D/RE:L/U:Amber",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "LOW"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306 Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T19:33:15.751Z",
"orgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"shortName": "NETGEAR"
},
"references": [
{
"tags": [
"product"
],
"url": "https://www.netgear.com/support/product/c6220/"
},
{
"tags": [
"product"
],
"url": "https://www.netgear.com/support/product/c6230/"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003eNETGEAR strongly advises against allowing untrusted users or devices on your WiFi network. The NETGEAR C6220 has reached End-of-Support (EOS) and C6230 will reach EOS soon. Due to limited security impact (device reboots only), no fixes are planned.\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e"
}
],
"value": "NETGEAR strongly advises against allowing untrusted users or devices on your WiFi network. The NETGEAR C6220 has reached End-of-Support (EOS) and C6230 will reach EOS soon. Due to limited security impact (device reboots only), no fixes are planned."
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"unsupported-when-assigned"
],
"title": "Denial of Service Vulnerability in NETGEAR C6220 and C6230",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The users are advised to not allow untrusted devices to connect to the Wi-fi Network.\u0026nbsp;"
}
],
"value": "The users are advised to not allow untrusted devices to connect to the Wi-fi Network."
}
],
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"assignerShortName": "NETGEAR",
"cveId": "CVE-2025-12941",
"datePublished": "2025-12-09T17:01:04.702Z",
"dateReserved": "2025-11-10T07:35:22.119Z",
"dateUpdated": "2025-12-09T20:44:09.127Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-12941",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-09T20:22:30.920742Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T20:22:35.197Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "C6220",
"vendor": "NETGEAR",
"versions": [
{
"lessThanOrEqual": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "C6230",
"vendor": "NETGEAR",
"versions": [
{
"lessThanOrEqual": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:c6220:*:*:*:*:*:*:*:*",
"versionEndIncluding": "*",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:c6230:*:*:*:*:*:*:*:*",
"versionEndIncluding": "*",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Quickdraw"
}
],
"datePublic": "2025-12-09T02:30:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003eDenial of Service Vulnerability in NETGEAR\u202fC6220\u202fand\u202fC6230\u202f(DOCSIS\u00ae 3.0 Two-in-one Cable Modem + WiFi Router) allows authenticated local WiFi users reboot the router. \u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003cbr\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e"
}
],
"value": "Denial of Service Vulnerability in NETGEAR\u202fC6220\u202fand\u202fC6230\u202f(DOCSIS\u00ae 3.0 Two-in-one Cable Modem + WiFi Router) allows authenticated local WiFi users reboot the router."
}
],
"exploits": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "We are not aware of any exploitation.\u0026nbsp;"
}
],
"value": "We are not aware of any exploitation."
}
],
"impacts": [
{
"capecId": "CAPEC-469",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-469 HTTP DoS"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NO",
"Recovery": "AUTOMATIC",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "ADJACENT",
"baseScore": 5,
"baseSeverity": "MEDIUM",
"exploitMaturity": "PROOF_OF_CONCEPT",
"privilegesRequired": "LOW",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "DIFFUSE",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/AU:N/R:A/V:D/RE:L/U:Amber",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "LOW"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306 Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T19:33:15.751Z",
"orgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"shortName": "NETGEAR"
},
"references": [
{
"tags": [
"product"
],
"url": "https://www.netgear.com/support/product/c6220/"
},
{
"tags": [
"product"
],
"url": "https://www.netgear.com/support/product/c6230/"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003eNETGEAR strongly advises against allowing untrusted users or devices on your WiFi network. The NETGEAR C6220 has reached End-of-Support (EOS) and C6230 will reach EOS soon. Due to limited security impact (device reboots only), no fixes are planned.\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e"
}
],
"value": "NETGEAR strongly advises against allowing untrusted users or devices on your WiFi network. The NETGEAR C6220 has reached End-of-Support (EOS) and C6230 will reach EOS soon. Due to limited security impact (device reboots only), no fixes are planned."
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"unsupported-when-assigned"
],
"title": "Denial of Service Vulnerability in NETGEAR C6220 and C6230",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The users are advised to not allow untrusted devices to connect to the Wi-fi Network.\u0026nbsp;"
}
],
"value": "The users are advised to not allow untrusted devices to connect to the Wi-fi Network."
}
],
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"assignerShortName": "NETGEAR",
"cveId": "CVE-2025-12941",
"datePublished": "2025-12-09T17:01:04.702Z",
"dateReserved": "2025-11-10T07:35:22.119Z",
"dateUpdated": "2025-12-09T20:44:09.127Z",
"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.