Fortinet FortiClientWindows up to 7.0.14/7.2.10/7.4.3 VPN User Password debug code

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiClientWindows up to 7.0.14/7.2.10/7.4.3. It has been classified as problematic. This impacts an unknown function of the component VPN User Password Handler. This manipulation causes debug code. The identification of this vulnerability is CVE-2025-54660. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Fortinet FortiClientWindows up to 7.0.14/7.2.10/7.4.3 and classified as problematic. Affected by this vulnerability is an unknown code block of the component VPN User Password Handler. The manipulation with an unknown input leads to a debug code vulnerability. The CWE definition for the vulnerability is CWE-489. The product is deployed to unauthorized actors with debugging code still enabled or active, which can create unintended entry points or expose sensitive information. As an impact it is known to affect confidentiality. The summary by CVE is:

An active debug code vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.10, FortiClientWindows 7.0 all versions may allow a local attacker to run the application step by step and retrieve the saved VPN user password

The advisory is shared at fortiguard.fortinet.com. This vulnerability is known as CVE-2025-54660 since 07/28/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.2.11 or 7.4.4 eliminates this vulnerability.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (fortinet): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Debug code
CWE: CWE-489
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: FortiClientWindows 7.2.11/7.4.4

Timelineinfo

07/28/2025 CVE reserved
11/18/2025 +113 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
02/04/2026 +78 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-25-844
Status: Confirmed

CVE: CVE-2025-54660 (🔒)
GCVE (CVE): GCVE-0-2025-54660
GCVE (VulDB): GCVE-100-332869
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 11/18/2025 20:28
Updated: 02/04/2026 15:01
Changes: 11/18/2025 20:28 (62), 02/04/2026 14:58 (2), 02/04/2026 15:01 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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