CVE-2026-1420: Tenda AC23 Firmware

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Affected products

• Tenda AC23 Firmware: version 16.03.07.52 only

Published 2026-01-26. Last modified 2026-06-17.