Heap-based buffer overflow in Fortinet FortiOS/FortiSwitchManager cw_acd daemon
CVE-2025-25249 is a heap-based buffer overflow in the cw_acd daemon affecting Fortinet FortiOS and FortiSwitchManager. The provided content states that the flaw affects FortiOS 7.6.0 through 7.6.3, 7.4.0 through 7.4.8, 7.2.0 through 7.2.11, 7.0.0 through 7.0.17, and 6.4.x, as well as FortiSwitchManager 7.2.0 through 7.2.6 and 7.0.0 through 7.0.5. The vulnerability can be triggered by a remote unauthenticated attacker using specially crafted packets or requests sent to the exposed service handled by cw_acd. Successful exploitation may corrupt heap memory and lead to execution of unauthorized code or commands.
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Impact
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Mitigation
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Remediation
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Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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Recent activity
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Heap-based buffer overflow in FortiOS and FortiSwitch Manager allowing remote unauthenticated arbitrary code execution via the cw_acd daemon.
A heap-based buffer overflow vulnerability in the Fortinet cw_acd daemon.
A heap-based buffer overflow in the FortiOS and FortiSwitchManager cw_acd daemon that may allow remote unauthenticated arbitrary code or command execution via crafted requests.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.