A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions may allow an… (CVE-2025-43892)
A buffer over-read vulnerability exists in Fortinet FortiOS versions 7.6.0 through 7.6.2, 7.4.0 through 7.4.8, and all versions of 7.2. This flaw may allow an authenticated remote attacker to cause the device to return portions of its memory in a redirect response by submitting a specially crafted request. The vulnerability has a CVSS score of 4.3, indicating medium severity, and does not impact integrity or availability. No known exploits are reported in the wild, and no official patch information is provided in the available data.
AI Analysis
Technical Summary
CVE-2025-43892 is a buffer over-read vulnerability in Fortinet FortiOS affecting versions 7.6.0 through 7.6.2, 7.4.0 through 7.4.8, and all versions of 7.2. An authenticated remote attacker can exploit this vulnerability by submitting a specially crafted request that causes the device to disclose a portion of its memory in the redirect response. This vulnerability is classified under CWE-126 (Buffer Over-read) and has a CVSS 3.1 base score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N), indicating that it requires low attack complexity and privileges but results only in limited confidentiality impact without affecting integrity or availability.
Potential Impact
The vulnerability allows an authenticated remote attacker to read portions of device memory, potentially exposing sensitive information. There is no impact on system integrity or availability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or workaround information is provided in the available data. Until a patch is available, limit access to authenticated interfaces and monitor for suspicious activity related to crafted requests targeting redirect responses.
A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions may allow an… (CVE-2025-43892)
Description
A buffer over-read vulnerability exists in Fortinet FortiOS versions 7.6.0 through 7.6.2, 7.4.0 through 7.4.8, and all versions of 7.2. This flaw may allow an authenticated remote attacker to cause the device to return portions of its memory in a redirect response by submitting a specially crafted request. The vulnerability has a CVSS score of 4.3, indicating medium severity, and does not impact integrity or availability. No known exploits are reported in the wild, and no official patch information is provided in the available data.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-43892 is a buffer over-read vulnerability in Fortinet FortiOS affecting versions 7.6.0 through 7.6.2, 7.4.0 through 7.4.8, and all versions of 7.2. An authenticated remote attacker can exploit this vulnerability by submitting a specially crafted request that causes the device to disclose a portion of its memory in the redirect response. This vulnerability is classified under CWE-126 (Buffer Over-read) and has a CVSS 3.1 base score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N), indicating that it requires low attack complexity and privileges but results only in limited confidentiality impact without affecting integrity or availability.
Potential Impact
The vulnerability allows an authenticated remote attacker to read portions of device memory, potentially exposing sensitive information. There is no impact on system integrity or availability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or workaround information is provided in the available data. Until a patch is available, limit access to authenticated interfaces and monitor for suspicious activity related to crafted requests targeting redirect responses.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-796h-99fj-c83r
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2025-43892"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a7b6fd3bf8831d5393eaa50
Added to database: 08/11/2026, 18:54:11 UTC
Last enriched: 08/11/2026, 19:00:21 UTC
Last updated: 08/12/2026, 00:41:07 UTC
Views: 4
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