SB2025101567 - Unchecked Return Value in FortiOS
Published: October 15, 2025
Security Bulletin ID
SB2025101567
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Unchecked Return Value (CVE-ID: CVE-2025-58903)
CWE-ID: CWE-252 - Unchecked Return Value
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote privileged user to perform service disruption.
The vulnerability exists due to unchecked return value. An authenticated user can cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted request.
Remediation
Install update from vendor's website.