CVE-2022-27647

moderate-risk

Published 2023-03-29

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the name or email field provided to libreadycloud.so. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15874.

Do I need to act?

0.08% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.0/10 High

ADJACENT_NETWORK / LOW complexity

Affected Products (20)

Cax80 Firmware

Lax20 Firmware

Mr60 Firmware

Mr80 Firmware

Ms60 Firmware

Ms80 Firmware

R6400 Firmware

R6700 Firmware

R6900P Firmware

R7000 Firmware

R7000P Firmware

R7850 Firmware

R7900P Firmware

R7960P Firmware

R8000 Firmware

R8000P Firmware

R8500 Firmware

Rax15 Firmware

Rax20 Firmware

Rax200 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-22-524/

Vendor Advisory https://kb.netgear.com/000064723/Security-Advisory-for-Multiple-Vulnerabilities-...

Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-524/

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moderate-risk

Severity 25/34 · High

Exploitability 0/34 · Minimal

Exposure 23/34 · High