Low [CVE-2025-58903] Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API
This low-severity Fortinet advisory covers CVE-2025-58903 affecting FortiOS.
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Summary
An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API allows an authenticated user to cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted request.
- FortiOS 7.6: 7.6.0 through 7.6.3
- FortiOS 7.4: 7.4.0 through 7.4.8
- FortiOS 7.2: 7.2 all versions
- FortiOS 7.0: 7.0 all versions
- FortiOS 6.4: 6.4 all versions
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
- FortiOS 7.6: 7.6.4
- FortiOS 7.4: 7.4.9
- FortiOS 7.2: migrate to a fixed release
- FortiOS 7.0: migrate to a fixed release
- FortiOS 6.4: migrate to a fixed release
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
Mitigation checklist
- Upgrade per the Affected/Solution table: FortiOS 7.6: 7.6.4; FortiOS 7.4: 7.4.9; FortiOS 7.2: migrate to a fixed release; FortiOS 7.0: migrate to a fixed release; FortiOS 6.4: migrate to a fixed release.
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
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