CVE-2026-8259: Tenda AC6 Firmware

High severity, CVSS 7.2. EPSS: 8.3% chance of exploitation in the next 30 days.

A vulnerability has been found in Tenda AC6 2.0/15.03.06.23. The affected element is an unknown function of the file /goform/telnet of the component httpd. The manipulation of the argument lan.ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda AC6 Firmware: version 15.03.06.23 only

Published 2026-05-11. Last modified 2026-07-23.