Vulnerability · Published Nov 18, 2025 · Assigned by fortinet

CVE-2025-48839

Medium 6.3

In plain English

A medium-severity out-of-bounds write in FortiADC from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 67.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Out-of-bounds Write vulnerability [CWE-787] in FortiADC 8.0.0, 7.6.0 through 7.6.2, 7.4.0 through 7.4.7, 7.2 all versions, 7.1 all versions, 7.0 all versions, 6.2 all versions may allow an authenticated attacker to execute arbitrary code via specially crafted HTTP requests.

Affected products (as reported)

VendorProductVersions
Fortinet FortiADC 8.0.07.6.0 – through 7.6.27.4.0 – through 7.4.77.2.0 – through 7.2.87.1.0 – through 7.1.57.0.0 – through 7.0.66.2.0 – through 6.2.6

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:C

References