CVE-2025-25249High· 8.1▾ Abyssal⚠ Exploited in the wildPoC availableA heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 44.6 · likelihood 0.7 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 9.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due Sep 12, 2026
0.8%
0.8% → 3.9%
Last analysed / modified upstream
Added to the CISA catalog on Sep 9, 2026. Federal remediation due Sep 12, 2026. View catalog ↗
A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets
fortios >= 6.4.0, < 7.0.18fortios >= 7.2.0, < 7.2.12fortios >= 7.4.0, < 7.4.9fortios >= 7.6.0, < 7.6.4fortiswitchmanager >= 7.0.0, < 7.0.6fortiswitchmanager >= 7.2.0, < 7.2.7fortisase = 25.1.39fortisase = 25.1.51ruggedcom_ape1808_firmwareUpgrade past the affected range:
fortios 7.6.4fortiswitchmanager 7.2.7Connected by shared product, vendor, weakness, or advisory.
CVE-2023-27997Critical· 9.8A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, versio…
CVE-2025-59718Critical· 9.1A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy…
CVE-2023-4911High· 7.8A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable
CVE-2025-53844High· 8.8A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.
CVE-2025-61624Medium· 6.0An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [CWE-22] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.…
CVE-2026-104286Critical· 9.8An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9 may al…