Fortinet FortiClientWindows up to 7.0.14/7.2.12/7.4.4 link following

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiClientWindows up to 7.0.14/7.2.12/7.4.4 and classified as critical. This vulnerability affects unknown code. The manipulation results in link following. This vulnerability is identified as CVE-2025-62676. The attack is only possible with local access. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Fortinet FortiClientWindows up to 7.0.14/7.2.12/7.4.4. Affected is an unknown code. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An Improper Link Resolution Before File Access ('Link Following') vulnerability [CWE-59] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.4, FortiClientWindows 7.2.0 through 7.2.12, FortiClientWindows 7.0 all versions may allow a local low-privilege attacker to perform an arbitrary file write with elevated permissions via crafted named pipe messages.

The advisory is shared for download at fortiguard.fortinet.com. This vulnerability is traded as CVE-2025-62676 since 10/20/2025. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 298942 (Fortinet FortiClient Improper Link Resolution Before File Access (FG-IR-25-661)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.2.13 or 7.4.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (298942). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (fortinet): 🔒

CVSSv2info

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

Exploitinginfo

Class: Link following
CWE: CWE-59
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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Nessus ID: 298942
Nessus Name: Fortinet FortiClient Improper Link Resolution Before File Access (FG-IR-25-661)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: FortiClientWindows 7.2.13/7.4.5

Timelineinfo

10/20/2025 CVE reserved
02/10/2026 +113 days Advisory disclosed
02/10/2026 +0 days VulDB entry created
02/13/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-25-661
Status: Confirmed

CVE: CVE-2025-62676 (🔒)
GCVE (CVE): GCVE-0-2025-62676
GCVE (VulDB): GCVE-100-345216

Entryinfo

Created: 02/10/2026 18:35
Updated: 02/13/2026 17:03
Changes: 02/10/2026 18:35 (64), 02/13/2026 17:03 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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