CVE-2025-43892 Information disclosure in FortiOS

What is CVE-2025-43892?

CVE-2025-43892 is a medium-severity vulnerability in Fortinet Fortios, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-126

Which versions are affected by CVE-2025-43892?

It affects 2 products.

Products include Fortinet Fortios, Fortinet Fortiproxy.

How do I fix CVE-2025-43892?

No fix has been published for CVE-2025-43892 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-43892 being exploited?

There is no known exploitation of CVE-2025-43892 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-796h-99fj-c83r.