Zero Day Initiative AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Zero Day Initiative CWE-121

NETGEAR RAX30 cmsCli_authenticate Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within a shared library used by the telnetd service, which listens on TCP port 23 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19918.

Zero Day Initiative https://kb.netgear.com/000065696/RAX30-Firmware-Version-1-0-11-96-Hot-Fix [No types assigned]

Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-839/ [No types assigned]