CVE-2026-7256

HIGH

Zyxel WRE6505 v2 Firmware - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Title source: rule

Description

** 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.

References (1)

Core 1

Core References

https://www.zyxel.com/global/en/support/end-of-life

Scores

CVSS v3 8.8

EPSS 0.0121

EPSS Percentile 79.2%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-78

Status published

Products (2)

Zyxel/WRE6505 v2 firmware V1.00(ABDV.3)C0

zyxel/wre6505_firmware v1.00\(abdv.3\)c0

Published May 12, 2026

Tracked Since May 12, 2026