CVE-2026-8508: An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions throug

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.

Affected Products

Vendor	Product	Versions
zyxel	wax650s firmware	<= 7.10(ABRM.4)C0

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-08-04-2026(vendor-advisory)

Related News (4 articles)

Tier B

CERT-FR28d ago

Bulletin d'actualité CERTFR-2026-ACT-037 (31 août 2026)

→ No new info (linked only)

Tier E

Reddit r/netsec33d ago

CVE-2026-8508: Trust-Boundary Bypass in Zyxel social_login.cgi Facebook Identity Handling

→ No new info (linked only)

Tier E

Reddit r/cybersecurity33d ago

CVE-2026-8508: Captive-Portal Social-Login Bypass Affecting 39 Zyxel Access Point Models with full firmware emulation guide

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Tier C

VulDB55d ago

Discussion (0)

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CVSS 3.16.5 MEDIUM

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

CISA KEV❌ No

Actively exploited❌ No

Patch available

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-08-04-2026

CWECWE-287

PublishedAug 4, 2026

Trending Score2

Source articles4

Independent4

Info Completeness0/14

CVE-2026-8508: An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions throug

Description

Affected Products

References

Related News (4 articles)

Discussion (0)

Community Vote

Related CVEs (5)

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