Cybersecurity from Málaga · Networks, lures and threats

CVE-2026-93866

WatchGuard Fireware OS

Medium priority: severe, but no known exploitation

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled.

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