CVE-2026-5689: Totolink a7100ru

High severity, CVSS 7.3. EPSS: 2.1% chance of exploitation in the next 30 days.

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setNtpCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument tz results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.

Affected products

• Totolink a7100ru: version 7.4cu.2313_b20191024 only

Published 2026-04-06. Last modified 2026-07-24.