CVE-2025-43892
CVSSv3 Score: 4.1 A buffer over-read vulnerability [CWE-126] in FortiOS, FortiProxy, and FortiSASE may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request. Revised on 2026-07-14 00:00:00
CSIRTS triage
- What
- An authenticated remote attacker may return a portion of device memory in the redirect response.
- Who is affected
- Authenticated users of FortiOS, FortiProxy, and FortiSASE.
- Urgency
- Remediation is necessary to prevent information disclosure.
- Action
- Apply the latest patches for FortiOS, FortiProxy, and FortiSASE.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
Advisory coverage (4)
- low[NEW] [low] Fortinet FortiProxy and FortiOS: Multiple vulnerabilitiescert-bund · 2026-07-15
- unknownMultiple vulnerabilities in Fortinet products (July 15, 2026)cert-fr-avis · 2026-07-15
- mediumCVE-2025-43892: A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 throug…nvd · 2026-07-14
- unknownBuffer overread in authd and wad daemonfortinet · 2026-07-14
External references
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