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CVE-2025-64157

Quick assessment

Affected
Fortinet FortiOS
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 FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS 7.6.0版本至7.6.4版本、7.4.0版本至7.4.9版本、7.2.0版本至7.2.11版本和7.0所有版本存在格式化字符串错误漏洞，该漏洞源于使用外部控制的格式字符串，可能导致执行未经授权的代码或命令。

CVSS 6.7 · Medium EPSS 1.36% · P69

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
Fortinet FortiOS 7.6.0≤ 7.6.4 affected
7.4.0≤ 7.4.9 affected
7.2.0≤ 7.2.11 affected
7.0.0≤ 7.0.19 affected
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I. Basic Information for CVE-2025-64157

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部控制的格式字符串
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS 格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS 7.6.0版本至7.6.4版本、7.4.0版本至7.4.9版本、7.2.0版本至7.2.11版本和7.0所有版本存在格式化字符串错误漏洞，该漏洞源于使用外部控制的格式字符串，可能导致执行未经授权的代码或命令。
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 FortiOS 7.6.0 ~ 7.6.4 cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-64157

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III. Intelligence Information for CVE-2025-64157

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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-2025-62676 6.4 MEDIUM Fortinet FortiClientWindows 后置链接漏洞
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: FortiOS
Same vendor: Fortinet
Same weakness: CWE-134

V. Comments for CVE-2025-64157

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