Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2025-58903
Fortinet FortiOS — 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 authenti…
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H N U N N H 4.9 .0062 48.8 —
AFFECTED
Product Versions Fixed
FortiOS 7.6.0 – —
TIMELINE
Sep 5 Reserved by fortinet
Oct 14 Published (CNA: fortinet)
Oct 8 RESCORED — CVE-2025-58903 (Fortinet FortiOS). CVSS 2.5 → 4.9 (NVD).
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 5, 2025 | Reserved | Reserved by fortinet |
| October 14, 2025 | Published | Published (CNA: fortinet) |
| October 8, 2026 | RESCORED | RESCORED — CVE-2025-58903 (Fortinet FortiOS). CVSS 2.5 → 4.9 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Fortinet | FortiOS | — | 7.6.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-58903 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.