CVE-2024-7331: Totolink a3300r Firmware

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Totolink a3300r Firmware: version 17.0.0cu.557_b20221024 only

Published 2024-08-01. Last modified 2026-06-17.