CVE-2025-58903 — Unchecked Return Value in Fortinet Fortios

CWE-252 — Unchecked Return Value4 documents4 sources
Severity
4.9MEDIUMNVD
CNA2.7
EPSS
0.1%
top 80.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Fortinet Fortios
Timeline
PublishedOct 14

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6

Affected Packages2 packages

▶NVDfortinet/fortios6.4.0 — 7.4.9+1
▶CVEListV5fortinet/fortios7.6.0 — 7.6.3+4

🔴Vulnerability Details

2
CVEList
CVE-2025-58903: An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7↗2025-10-14
▶
GHSA
GHSA-9rvw-gg78-wfm7: An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7↗2025-10-14
▶

📋Vendor Advisories

1
Fortinet
Multiple Unchecked Return Value leading to Null Pointer Dereference↗2025-10-14
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CVE-2025-58903 — Unchecked Return Value in Fortinet | cvebase