CVE-2026-7256

HIGH CVSS 3.1: 8.8 EPSS 1.01%
Updated Jun 17, 2026
Zyxel
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-78 (OS Command Injection)
Vendor Zyxel
Public PoC No

** 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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Zyxel Wre6505_Firmware
cpe:2.3:o:zyxel:wre6505_firmware:v1.00\(abdv.3\)c0:*:*:*:*:*:*:*
Zyxel Wre6505
cpe:2.3:h:zyxel:wre6505:v2:*:*:*:*:*:*:*