Buffer over-read in FortiOS

1) Buffer over-read

EUVDB-ID: #VU109040

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-47295

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to buffer over-read in FGFM. A remote unauthenticated attacker can crash the FGFM daemon via a specially crafted request, under rare conditions that are outside of the attacker's control.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FortiOS: 6.4.0 - 7.4.3

CPE2.3

• cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*

External links

https://www.fortiguard.com/psirt/FG-IR-24-381

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.