CVE-2025-7154: Totolink n200re Firmware

High severity, CVSS 8.8. EPSS: 2.4% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6095_B20200916/9.3.5u.6139_B20201216. Affected by this issue is the function sub_41A0F8 of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Hostname leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink n200re Firmware: version 9.3.5u.6095_b20200916 only; version 9.3.5u.6139_b20201216 only

Published 2025-07-08. Last modified 2026-06-17.