CVE-2026-2139: Tenda TX9 Firmware

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_432580 of the file /goform/fast_setting_wifi_set. This manipulation of the argument ssid causes buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

• Tenda TX9 Firmware: up to and including 22.03.02.10

Published 2026-02-08. Last modified 2026-06-17.