Vulnerability · Published Nov 18, 2025 · Assigned by fortinet

CVE-2025-46776

Medium 6.3

In plain English

A medium-severity buffer overflow in FortiExtender from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.2%top 94.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.

Affected products (as reported)

VendorProductVersions
Fortinet FortiExtender 7.6.0 – through 7.6.17.4.0 – through 7.4.67.2.0 – through 7.2.57.0.0 – through 7.0.5

Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C

References