CVE-2025-43892

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-14 · updated 2026-09-29
Weakness: CWE-126

Description

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request.

Affected products

Fortinet FortiOS (FortiGate): from 7.2.0 through 7.2.13; from 7.4.0 through 7.4.8; from 7.6.0 through 7.6.2
Fortinet FortiProxy: from 7.2.0 through 7.2.15; from 7.4.0 through 7.4.13; from 7.6.0 through 7.6.5

References

https://fortiguard.fortinet.com/psirt/#5944
https://cert-portal.siemens.com/productcert/html/ssa-864900.html

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