[ CVE-2026-12489 · Published 20 Oct 2026 ]
Vulnerability in Zyxel EX3501-T0 firmware
CVSS 6.5
EPSS <1%No fix listed yet
[ Description ]Official description
An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.