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FortiOS and FortiSwitchManager Vulnerability Enables Remote Code Execution

FortiOS and FortiSwitchManager Vulnerability Enables Remote Code Execution

First seen 14 Jan 2026, 09:52 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Fortinet disclosed a critical heap-based buffer overflow vulnerability in the cw_acd daemon of FortiOS and FortiSwitchManager, tracked as CVE-2025-25249. This flaw allows remote unauthenticated attackers to execute arbitrary code on affected systems, posing a significant risk to organizations using Fortinet's products. The vulnerability has a CVSS v3.1 score of 7.4.

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