Patch-to-exploitation timelines for edge appliances (Fortinet, SonicWall, Ivanti), with detection rules.
Vendor: Fortinet
Product: FortiOS
EPSS: 0.066 (93.9th percentile, 2026-10-30)
Known ransomware use: Known
FortiOS is affected by a vulnerability that lets an attacker with access to the configuration backup file decipher sensitive data, including users’ passwords and private keys’ passphrases, via knowledge of a hard-coded key. CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 2025-06-25, and it is known to be used by ransomware.
Automated summary, checked against CISA and vendor descriptions; not yet reviewed by an analyst.
| Date | Event | Source |
|---|---|---|
| 2025-06-25 | Added to CISA KEV (confirmed exploitation) | CISA KEV |
Affected and fixed versions: see the vendor advisory or NVD entry below.