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Rewterz Threat Advisory – CVE-2021-34979 – NETGEAR routers Vulnerability

Severity

Medium

Analysis Summary

CVE-2021-34991

NETGEAR R6400v2 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the UPnP service. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.

Impact

  • Buffer Overflow

Affected Vendors

NETGEAR

Affected Products

  • NETGEAR R6400v2

Remediation

Refer to Netgear Security Advisory for patch, upgrade, or suggested workaround information.

https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168