CVE-2023-25610

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-24 · updated 2026-06-17
Weakness: CWE-124

Description

A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.6, version 6.4.0 through 6.4.11 and version 6.2.12 and below, FortiProxy version 7.2.0 through 7.2.2, version 7.0.0 through 7.0.8, version 2.0.12 and below and FortiOS-6K7K version 7.0.5, version 6.4.0 through 6.4.10 and version 6.2.0 through 6.2.10 and below allows a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.

Affected products

Fortinet FortiAnalyzer: from 6.0.0 before 6.0.12; from 6.2.0 before 6.2.11; from 6.4.0 before 6.4.12; from 7.0.0 before 7.0.5; 7.2.0 — fixed in 6.0.12, 6.2.11, 6.4.12, 7.0.5
Fortinet FortiManager: from 6.0.0 before 6.0.12; from 6.2.0 before 6.2.11; from 6.4.0 before 6.4.12; from 7.0.0 before 7.0.5; 7.2.0 — fixed in 6.0.12, 6.2.11, 6.4.12, 7.0.5
Fortinet FortiOS (FortiGate): from 5.0.0 before 6.2.13; from 6.4.0 before 6.4.12; from 7.0.0 before 7.0.10; from 7.2.0 before 7.2.4 — fixed in 6.2.13, 6.4.12, 7.0.10, 7.2.4
Fortinet FortiOS-6K7K: from 6.0.4 before 6.2.13; from 6.4.2 before 6.4.12; 7.0.5 — fixed in 6.2.13, 6.4.12
Fortinet FortiProxy: from 1.1.0 before 7.0.9; from 7.2.0 before 7.2.3 — fixed in 7.0.9, 7.2.3
Fortinet FortiSwitch: from 7.0.0 before 7.0.7; from 7.2.0 before 7.2.4 — fixed in 7.0.7, 7.2.4
Fortinet FortiSwitchManager: from 7.0.0 before 7.0.2; from 7.2.0 before 7.2.2 — fixed in 7.0.2, 7.2.2
Fortinet FortiWeb: from 6.1.0 before 6.1.4; from 6.2.0 before 6.2.8; from 6.3.0 before 6.3.23; from 6.4.0 before 6.4.3; from 7.0.0 before 7.0.7; from 7.2.0 before 7.2.2 — fixed in 6.1.4, 6.2.8, 6.3.23, 6.4.3, 7.0.7, 7.2.2

How to fix

Upgrade to a fixed version: Fortinet FortiAnalyzer 6.0.12, 6.2.11, 6.4.12, 7.0.5; Fortinet FortiManager 6.0.12, 6.2.11, 6.4.12, 7.0.5; Fortinet FortiOS (FortiGate) 6.2.13, 6.4.12, 7.0.10, 7.2.4; Fortinet FortiOS-6K7K 6.2.13, 6.4.12; Fortinet FortiProxy 7.0.9, 7.2.3; Fortinet FortiSwitch 7.0.7, 7.2.4; Fortinet FortiSwitchManager 7.0.2, 7.2.2; Fortinet FortiWeb 6.1.4, 6.2.8, 6.3.23, 6.4.3. Check the vendor advisory for mitigations.

References

https://fortiguard.com/psirt/FG-IR-23-001

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