CVE-2025-64155

criticalcovered by 1 sourcefirst seen 2026-09-09

Serial number: AV26-023 Date: January 13, 2026 Updated: September 9, 2026 On January 13, 2026, Fortinet published security advisories to address vulnerabilities in multiple products. Included were critical updates for the following: FortiFone 7.0 – versions 7.0.0 to 7.0.1 FortiFone 3.0 – versions 3.0.13 to 3.0.23 FortiOS 7.6 – versions 7.6.0 to 7.6.3 FortiOS 7.4 – versions 7.4.0 to 7.4.8 FortiOS 7.2 – versions 7.2.0 to 7.2.11 FortiOS 7.0 – versions 7.0.0 to 7.0.17 FortiOS 6.4 – versions 6.4.0 to 6.4.16 FortiSASE 25.2 – version 25.2.b FortiSASE 25.1.a – version 25.1.a.2 FortiSIEM 7.4 – version 7.4.0 FortiSIEM 7.3 – versions 7.3.0 to 7.3.4 FortiSIEM 7.2 – versions 7.2.0 to 7.2.6 FortiSIEM 7.1 – versions 7.1.0 to 7.1.8 FortiSIEM 7.0 – versions 7.0.0 to 7.0.4 FortiSIEM 6.7 – versions 6.7.0 to 6.7.10 FortiSwitchManager 7.2 – versions 7.2.0 to 7.2.6 FortiSwitchManager 7.0 – versions 7.0.0 to 7.0.5 Update 1 On September 9, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2025-25249 to their Known Exploited Vulnerabilities (KEV) Database. The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates. Heap-based buffer overflow in cw_acd daemon – CVE-2025-25249 Unauthenticated access to local configuration – CVE-2025-47855 Unauthenticated remote command injection – CVE-2025-64155 Fortinet PSIRT Advisories CISA KEV: CVE-2025-25249

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Exploitation outlook

Elevated exploitation risk43.2% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 99% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedFortinet security advisory (AV26-023) - Update 1cccs · 2026-09-09

External references

NVD record for CVE-2025-64155

CVE.org record

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