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 | Affected | Fixed |
|---|---|---|---|
| Zyxel | WAX650S firmware | <= 7.10(ABRM.4)C0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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minanagehsalalma/zyxel-social-login-bypass-cve-2026-8508 ★ 0 · Aug 16, 2026
Public writeup, PoC, and emulation materials for CVE-2026-8508 affecting Zyxel captive-portal social login.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.