CVE-2025-62439
published 2026-02-10CVE-2025-62439: An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0…
PriorityP421medium4.2CVSS 3.1
AVLACHPRLUINSCCLILAN
EPSS
0.14%
3.6th percentile
An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] 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 may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| fortinet | fortinet | — | — |
| fortinet | fortios | — | — |
| fortinet | fortios | 7.0.0 – 7.0.19 | — |
| fortinet | fortios | 7.2.0 – 7.2.13 | — |
| fortinet | fortios | 7.4.0 – 7.4.9 | — |
| fortinet | fortios | 7.6.0 – 7.6.4 | — |
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CISA ICS
Siemens RUGGEDCOM APE1808 Devices
cisa_ics·2026-03-12·CVSS 5.8
[MEDIUM] Siemens RUGGEDCOM APE1808 Devices
ICS Advisory
##
Siemens RUGGEDCOM APE1808 Devices
Release DateMarch 12, 2026
Alert CodeICSA-26-071-02
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## Summary
Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.
The following versions of Siemens RUGGEDCOM APE1808 Devices are affected:
- RUGGEDCOM APE1808 vers:all/*, vers:all/* (CVE-2026-24858, CVE-2025-55018, CVE-2025-62439, CVE-2025-64157)
CVSS
Vendor
Equipment
Vulnerabilities
| v3 9.8
| Siemens
| Siemens RUGGEDCOM APE1808 Devices
| Inconsistent Interpretation of HTTP Requests ('
Fortinet
Firewall policy bypass in FSSO Terminal Services Agent
vendor_fortinet·2026-02-10·CVSS 4.2
CVE-2025-62439 [MEDIUM] CWE-940 Firewall policy bypass in FSSO Terminal Services Agent
FG-IR-25-384: Firewall policy bypass in FSSO Terminal Services Agent
An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] 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 may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.
CVEs: CVE-2025-62439
CWEs: CWE-940
CVSS: 4.2 (medium)
Affected products: FortiOS, Fortinet
GHSA
GHSA-76xc-486m-c526: An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7
ghsa_unreviewed·2026-02-10
CVE-2025-62439 [MEDIUM] CWE-940 GHSA-76xc-486m-c526: An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7
An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] 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 may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.
No detection rules found.
No public exploits indexed.
Wiz
CVE-2025-59718 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2025-59718 [MEDIUM] CVE-2025-59718 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-59718 :
FortiOS vulnerability analysis and mitigation
A 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 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14, FortiProxy 7.0.0 through 7.0.21, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.
Source : NVD
## 9.8
Score
Published December 9, 2025
Severity CRITICAL
CNA Score 9.8
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit Yes
Has CISA KEV Exploit Yes
CISA KEV
Wiz
CVE-2024-47570 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.6
CVE-2024-47570 [MEDIUM] CVE-2024-47570 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2024-47570 :
FortiOS vulnerability analysis and mitigation
An insertion of sensitive information into log file vulnerability [CWE-532] in FortiOS 7.4.0 through 7.4.3, 7.2.0 through 7.2.7, 7.0 all versions; FortiProxy 7.4.0 through 7.4.3, 7.2.0 through 7.2.11; FortiPAM 1.4 all versions, 1.3 all versions, 1.2 all versions, 1.1 all versions, 1.0 all versions and FortiSRA 1.4 all versions may allow a read-only administrator to retrieve API tokens of other administrators via observing REST API logs, if REST API logging is enabled (non-default configuration).
Source : NVD
## 6.6
Score
Published December 9, 2025
Severity MEDIUM
CNA Score 6.6
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Du
Wiz
CVE-2025-62631 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2025-62631 [MEDIUM] CVE-2025-62631 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-62631 :
FortiOS vulnerability analysis and mitigation
An insufficient session expiration vulnerability [CWE-613] vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to maintain access to network resources via an active SSLVPN session not terminated after a user's password change under particular conditions outside of the attacker's control
Source : NVD
## 5.6
Score
Published December 9, 2025
Severity MEDIUM
CNA Score 5.6
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 4.9
Exploitation Probability (EPSS) N/A
Affected packages and libraries
c
Wiz
CVE-2025-62439 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2025-62439 [MEDIUM] CVE-2025-62439 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-62439 :
FortiOS vulnerability analysis and mitigation
An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] 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 may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.
Source : NVD
## 4.2
Score
Published February 10, 2026
Severity MEDIUM
CNA Score 4.2
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 5.2
Exploitation Probability (EPSS) N/A
Affected packages and li
Wiz
CVE-2026-22153 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2026-22153 [MEDIUM] CVE-2026-22153 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-22153 :
FortiOS vulnerability analysis and mitigation
An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way.
Source : NVD
## 8.1
Score
Published February 10, 2026
Severity HIGH
CNA Score 8.1
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 18.3
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:o:fortinet:fortios
Sources
Linux Severity HIGH Has Fix Added at: Feb 11, 202
Wiz
CVE-2025-68686 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2025-68686 [MEDIUM] CVE-2025-68686 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-68686 :
FortiOS vulnerability analysis and mitigation
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.
Source : NVD
## 5.9
Score
Published February 10, 2026
Severity MEDIUM
CNA Score 5.9
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
Wiz
CVE-2025-64157 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2025-64157 [MEDIUM] CVE-2025-64157 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-64157 :
FortiOS vulnerability analysis and mitigation
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration.
Source : NVD
## 7.2
Score
Published February 10, 2026
Severity HIGH
CNA Score 6.7
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 4.7
Exploitation Probability (EPSS) N/A
Affected packages and libraries
cpe:2.3:o:fortinet:fortios
Sources
Linux Severity HIGH Has Fix Added at: Fe
Wiz
CVE-2026-24858 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.7
CVE-2026-24858 [MEDIUM] CVE-2026-24858 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-24858 :
FortiOS vulnerability analysis and mitigation
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 ma
Wiz
CVE-2025-25249 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.1
CVE-2025-25249 [HIGH] CVE-2025-25249 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-25249 :
FortiOS vulnerability analysis and mitigation
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
Source : NVD
## 9.8
Score
Published January 13, 2026
Severity CRITICAL
CNA Score 8.1
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 2.4
Exploitation Probability (EPSS) N/A
Affected packages and libraries
cpe:
Wiz
CVE-2025-55018 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.8
CVE-2025-55018 [MEDIUM] CVE-2025-55018 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-55018 :
FortiOS vulnerability analysis and mitigation
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
Source : NVD
## 5.8
Score
Published February 10, 2026
Severity MEDIUM
CNA Score 5.8
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 22.9
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:
Wiz
CVE-2024-40593 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.0
CVE-2024-40593 [MEDIUM] CVE-2024-40593 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2024-40593 :
FortiOS vulnerability analysis and mitigation
A key management errors vulnerability in Fortinet FortiAnalyzer 7.4.0 through 7.4.2, FortiAnalyzer 7.2.0 through 7.2.5, FortiAnalyzer 7.0 all versions, FortiAnalyzer 6.4 all versions, FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.5, FortiManager 7.0 all versions, FortiManager 6.4 all versions, FortiOS 7.6.0, FortiOS 7.4.4, FortiOS 7.2.7, FortiOS 7.0.14, FortiPortal 6.0 all versions may allow an authenticated admin to retrieve a certificate's private key via the device's admin shell.
Source : NVD
## 4.4
Score
Published December 11, 2025
Severity MEDIUM
CNA Score 6.0
Affected Technologies
FortiOS
Fortinet FortiProxy
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA
2026-02-10
Published