CVE-2026-8508

State: Published
Severity: 6.5 Medium
Published: Aug 4, 2026
Updated: Aug 4, 2026
Reserved: May 14, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	Zyxel

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
WAX650S firmwareZyxel	<= 7.10(ABRM.4)C0Affected

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-improper-authentication-vulnerabilities-in-certain-aps-fwa7-and-security-routers-08-04-2026vendor-advisory

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