PT-2026-67633 · Zyxel · Wax650S Firmware

CVE-2026-6837 · Published 2026-08-04 · Updated 2026-08-04

NVD

CVSS v3.1

7.2

High

Base vector

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

A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-6837

Affected Products

Wax650S Firmware

References · 2

• https://zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-improper-authentication-vulnerabilities-in-certain-aps-fwa7-and-security-routers-08-04-2026 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6837 · Security Note