Home/CVE/Netgear N300 wireless router wnr2000v4-V1.0.0.70 was discovered to contain a stack overflow via strcpy in uhttpd.
CVE

CVE-2022-31937

Netgear N300 wireless router wnr2000v4-V1.0.0.70 was discovered to contain a stack overflow via strcpy in uhttpd.

Netgear N300 wireless router wnr2000v4-V1.0.0.70 was discovered to contain a stack overflow via strcpy in uhttpd.

CRITICAL · CVSS 9.8 EPSS 0.00853
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
netgear wnr2000v4 firmwareall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Sep 2022 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/Davidteeri/Bug-Report/blob/main/netgear-n300-0x4297B4.mdBroken Link
https://www.netgear.com/about/security/Vendor Advisory
https://www.netgear.com/support/download/?model=WNR2000v4ProductVendor Advisory
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