PT-2026-67634 · Zyxel · Wax650S Firmware

CVE-2026-8508 · Published 2026-08-04 · Updated 2026-08-04

Mitre

CVSS v3.1

6.5

Medium

Base vector

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

An improper authentication vulnerability in the "social login.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-8508

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-2026-8508 · Security Note