CVE-2025-25249
FortiOS heap-based buffer overflow (CVSS 8.1, CISA KEV) - exploited in the wild by the PivotC2 FortiGate RAT
- Severity
- high
- Affected product
- FortiOS SSL-VPN
- Affected versions
- FortiOS SSL-VPN ≥ 7.6.0, ≤ 7.6.3
- Affected versions
- FortiOS SSL-VPN ≥ 7.4.0, ≤ 7.4.8
- Affected versions
- FortiOS SSL-VPN ≥ 7.2.0, ≤ 7.2.11
- Affected versions
- FortiOS SSL-VPN ≥ 7.0.0, ≤ 7.0.17
- Fixed in
- FortiOS SSL-VPN 7.6.4
- Fixed in
- FortiOS SSL-VPN 7.4.9
- Fixed in
- FortiOS SSL-VPN 7.2.12
- Fixed in
- FortiOS SSL-VPN 7.0.18
- Detection basis
- Appliance fingerprint
- Shipped rule
- FortiOS SSL-VPN: FortiOS heap-based buffer overflow (CVSS 8.1, CISA KEV) - exploited in the wild by the PivotC2 FortiGate RAT
- CISA KEV
- Listed as a known exploited vulnerability
- EPSS
- 1% chance of exploitation in the next 30 days
- Added to NewScan
- 2026-09-10
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
APPLIANCE FINGERPRINT
NewScan fingerprints the FortiOS SSL-VPN appliance and reports this CVE when the detected version falls inside the affected range below.
APPLIANCE FINGERPRINT
NewScan fingerprints the FortiOS SSL-VPN appliance and reports this CVE when the detected version falls inside the affected range below.
APPLIANCE FINGERPRINT
NewScan fingerprints the FortiOS SSL-VPN appliance and reports this CVE when the detected version falls inside the affected range below.
APPLIANCE FINGERPRINT
NewScan fingerprints the FortiOS SSL-VPN appliance and reports this CVE when the detected version falls inside the affected range below.
References
Scan for this yourself — local, in-band scanning is free.
Get NewScan (FREE) →Review the measured benchmark, then use the verified remediation process.