CVE-2022-27642

high-risk
Published 2023-03-29

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-15854.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (20)

Cax80 Firmware
Lax20 Firmware
Mr80 Firmware
Ms80 Firmware

Affected Vendors

Netgear

References (4)

Vendor Advisory https://kb.netgear.com/000064723/Security-Advisory-for-Multiple-Vulnerabilities-...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-518/
Vendor Advisory https://kb.netgear.com/000064723/Security-Advisory-for-Multiple-Vulnerabilities-...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-518/
50
/ 100
high-risk
Severity 27/34 · High
Exploitability 0/34 · Minimal
Exposure 23/34 · High