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CVE-2025-62676

Quick assessment

Affected
Fortinet FortiClientWindows
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortinet FortiClientWindows是美国飞塔（Fortinet）公司的一套基于Windows平台的移动终端安全解决方案。该方案与FortiGate防火墙设备连接时可提供IPsec和SSL加密、广域网优化、终端合规和双因子认证等功能。 Fortinet FortiClientWindows 7.4.0版本至7.4.4版本、7.2.0版本至7.2.12版本和7.0所有版本存在后置链接漏洞，该漏洞源于文件访问前链接解析不当，可能导致通过特制命名管道消息执行任意文件写入。

CVSS 6.4 · High EPSS 0.23% · P12
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I. Basic Information for CVE-2025-62676

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiClientWindows 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiClientWindows是美国飞塔（Fortinet）公司的一套基于Windows平台的移动终端安全解决方案。该方案与FortiGate防火墙设备连接时可提供IPsec和SSL加密、广域网优化、终端合规和双因子认证等功能。 Fortinet FortiClientWindows 7.4.0版本至7.4.4版本、7.2.0版本至7.2.12版本和7.0所有版本存在后置链接漏洞，该漏洞源于文件访问前链接解析不当，可能导致通过特制命名管道消息执行任意文件写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortinet FortiClientWindows 7.4.0 ~ 7.4.4 cpe:2.3:a:fortinet:forticlientwindows:7.4.4:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-62676

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III. Intelligence Information for CVE-2025-62676

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Same Patch Batch · Fortinet · 2026-02-10 · 8 CVEs total

CVE-2025-52436 7.9 HIGH Fortinet FortiSandbox 跨站脚本漏洞
CVE-2026-22153 7.5 HIGH Fortinet FortiOS 安全漏洞
CVE-2026-21743 6.8 MEDIUM Fortinet FortiAuthenticator 安全漏洞
CVE-2025-64157 6.7 MEDIUM Fortinet FortiOS 格式化字符串错误漏洞
CVE-2025-68686 5.3 MEDIUM Fortinet FortiOS 信息泄露漏洞
CVE-2025-55018 5.2 MEDIUM Fortinet FortiOS 环境问题漏洞
CVE-2025-62439 3.8 LOW Fortinet FortiOS 安全漏洞

IV. Related Vulnerabilities

Same product: FortiClientWindows
Same vendor: Fortinet
Same weakness: CWE-59

V. Comments for CVE-2025-62676

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