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

August 25, 2026 Yanac

Technical analysis of CVE-2026-8508, a pre-auth captive-portal bypass in Zyxel’s social-login flow. The post covers the vulnerable execution path, root cause, affected firmware scope, and the firmware-emulation methodology used during analysis. submitted by /u/TheReedemer69 [link] [comments]Technical Information Security Content & DiscussionRead More