CVE-2026-7256 HIGH

CVE-2026-7256

Vendor Zyxel
Product WRE6505 v2 firmware
Weakness CWE-78
Published May 12, 2026
Last update May 12, 2026

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

** 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.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
May 12, 2026 Record updated