CVE-2025-43892: Information disclosure in Fortinet FortiOS
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.
AI Analysis
Technical Summary
This vulnerability in Fortinet FortiOS involves a buffer over-read that may allow an authenticated remote attacker to retrieve parts of device memory through a crafted request that triggers a redirect response. The affected versions include FortiOS 7.6.0 through 7.6.3, 7.4.0 through 7.4.8, and all versions of 7.2, 7.0, and 6.4. The vulnerability has a CVSS 3.1 base score of 4.1, indicating medium severity, with low attack complexity and requiring privileges. The vendor has released an official fix to remediate this issue.
Potential Impact
An authenticated remote attacker can exploit this vulnerability to disclose information from device memory, potentially exposing sensitive data. There is no impact on integrity or availability reported. The vulnerability requires authentication and has low attack complexity.
Mitigation Recommendations
An official fix is available from Fortinet for this vulnerability. Users should apply the vendor-provided patches to affected FortiOS versions to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2025-43892: Information disclosure in Fortinet FortiOS
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.
CVSS v3.1
Score 4.1medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Fortinet FortiOS involves a buffer over-read that may allow an authenticated remote attacker to retrieve parts of device memory through a crafted request that triggers a redirect response. The affected versions include FortiOS 7.6.0 through 7.6.3, 7.4.0 through 7.4.8, and all versions of 7.2, 7.0, and 6.4. The vulnerability has a CVSS 3.1 base score of 4.1, indicating medium severity, with low attack complexity and requiring privileges. The vendor has released an official fix to remediate this issue.
Potential Impact
An authenticated remote attacker can exploit this vulnerability to disclose information from device memory, potentially exposing sensitive data. There is no impact on integrity or availability reported. The vulnerability requires authentication and has low attack complexity.
Mitigation Recommendations
An official fix is available from Fortinet for this vulnerability. Users should apply the vendor-provided patches to affected FortiOS versions to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fortinet
- Date Reserved
- 2025-04-18T14:46:53.847Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 6a565a3968715ace43c7b59f
Added to database: 07/14/2026, 15:48:09 UTC
Last enriched: 08/11/2026, 13:11:16 UTC
Last updated: 08/28/2026, 10:52:04 UTC
Views: 109
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