Vulnerability intelligence
CVE-2025-53844
A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.
CVSS Score
8.3
High
EPSS — Exploit Probability
0.6%
Riskier than 45% of all CVEs · checked 2026-09-08
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered May 13, 2026 · latest May 13, 2026
Coverage timeline
-
Fortinet and Ivanti patch 18 flaws, including three critical bugswww.securityweek.com · May 13, 2026