Fortinet
CVE-2025-55018
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header
AnalysisAI
An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header [CVSS 5.8 MEDIUM]
Technical ContextAI
Classified as CWE-444 (HTTP Request/Response Smuggling). Affects Fortios. An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 an
Fortinet FortiWeb contains a relative path traversal allowing unauthenticated attackers to execute administrative comman
FortiOS and FortiProxy contain an authentication bypass via the Node.js websocket module allowing unauthenticated remote
A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, versi
Fortinet FortiWeb contains an authenticated OS command injection allowing privilege escalation to execute unauthorized c
FortiOS SSL-VPN contains an improper authentication vulnerability that allows users to bypass two-factor authentication
Fortinet FortiAnalyzer before 5.0.12 and 5.2.x before 5.2.5; FortiSwitch 3.3.x before 3.3.3; FortiCache 3.0.x before 3.0
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet a
Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9
OS command injection in Fortinet FortiSandbox 4.4.0-4.4.8 and FortiSandbox PaaS versions 21.3-23.4 enables remote unauth
A product has a SQL injection vulnerability enabling unauthenticated database compromise through improperly neutralized
Same weakness CWE-444 – HTTP Request/Response Smuggling
View allSame technique Request Smuggling
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External POC / Exploit Code
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