CVE-2026-7256: Zyxel WRE6505 Firmware

High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days.

** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.

Affected products

• Zyxel WRE6505 Firmware: version v1.00(abdv.3)c0 only

Published 2026-05-12. Last modified 2026-06-17.