CVE-2026-8508CWE-287

CVE-2026-8508

Medium · published August 4, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
23.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00317 · 23.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-08-04T07:16Z
References (1)
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 · [email protected]
EPSS history
Timeline
  • 04 AUG 01:57Z
    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…
    cvelistv5