CVE-2022-27644

moderate-risk
Published 2023-03-29

This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information 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 downloading of files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15797.

Do I need to act?

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0.14% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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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)

Lbr1020 Firmware
Lbr20 Firmware
Rbr10 Firmware

Affected Vendors

Netgear

References (4)

Vendor Advisory https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-520/
Vendor Advisory https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-520/
49
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 1/34 · Minimal
Exposure 21/34 · High