Vulnerability · Published Oct 14, 2025 · Assigned by fortinet

CVE-2025-57740

Medium 6.7

In plain English

A medium-severity heap buffer overflow in FortiOS from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.7%top 46.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Heap-based Buffer Overflow vulnerability [CWE-122] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions; FortiPAM version 1.5.0, version 1.4.2 and below, 1.3 all versions, 1.2 all versions, 1.1 all versions, 1.0 all versions and FortiProxy version 7.6.2 and below, version 7.4.3 and below, 7.2 all versions, 7.0 all versions RDP bookmark connection may allow an authenticated user to execute unauthorized code via crafted requests.

Affected products (as reported)

VendorProductVersions
Fortinet FortiPAM 1.5.01.4.0 – through 1.4.21.3.0 – through 1.3.11.2.01.1.0 – through 1.1.21.0.0 – through 1.0.3
Fortinet FortiProxy 7.6.0 – through 7.6.27.4.0 – through 7.4.37.2.0 – through 7.2.157.0.0 – through 7.0.22
Fortinet FortiOS 7.6.0 – through 7.6.27.4.0 – through 7.4.77.2.0 – through 7.2.107.0.0 – through 7.0.186.4.0 – through 6.4.16

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

References