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CVE-2025-59718

Quick assessment

Affected
Fortinet FortiSwitchManager
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortinet FortiOS等都是美国飞塔（Fortinet）公司的产品。Fortinet FortiOS是一套专用于FortiGate网络安全平台上的安全操作系统。Fortinet FortiProxy是一种安全的网络代理，通过结合多种检测技术，如Web过滤、DNS过滤、DLP、反病毒、入侵防御和高级威胁保护，可以保护员工免受网络攻击。FortiProxy有助于减少带宽需求，并通过内容和视频缓存优化网络。Fortinet FortiSwitchManager是一款网络交换机管理工具，旨在帮助组织管理

CVSS 9.1 · Critical KEV EPSS 68.29% · P99

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process

Affected Version Matrix 10

VendorProduct Version RangeStatus
Fortinet FortiOS 7.6.0≤ 7.6.3 affected
7.4.0≤ 7.4.8 affected
7.2.0≤ 7.2.11 affected
7.0.0≤ 7.0.17 affected
Fortinet FortiProxy 7.6.0≤ 7.6.3 affected
7.4.0≤ 7.4.10 affected
7.2.0≤ 7.2.14 affected
7.0.0≤ 7.0.21 affected
Fortinet FortiSwitchManager 7.2.0≤ 7.2.6 affected
7.0.0≤ 7.0.5 affected
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I. Basic Information for CVE-2025-59718

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet多款产品 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiOS等都是美国飞塔（Fortinet）公司的产品。Fortinet FortiOS是一套专用于FortiGate网络安全平台上的安全操作系统。Fortinet FortiProxy是一种安全的网络代理，通过结合多种检测技术，如Web过滤、DNS过滤、DLP、反病毒、入侵防御和高级威胁保护，可以保护员工免受网络攻击。FortiProxy有助于减少带宽需求，并通过内容和视频缓存优化网络。Fortinet FortiSwitchManager是一款网络交换机管理工具，旨在帮助组织管理
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortinet FortiSwitchManager 7.2.0 ~ 7.2.6 cpe:2.3:a:fortinet:fortiswitchmanager:7.2.6:*:*:*:*:*:*:*
Fortinet FortiOS 7.6.0 ~ 7.6.3 cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
Fortinet FortiProxy 7.6.0 ~ 7.6.3 cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-59718

# POC Description Source Link Shenlong Link
1 CVE-2025-59718 https://github.com/Ashwesker/Blackash-CVE-2025-59718 POC Details
2 Fortinet announced two closely related authentication‑bypass vulnerabilities on 9 December 2025. Both flaws involve improper verification of cryptographic signatures (CWE‑347) in the handling of SAML responses for the FortiCloud SSO login feature. https://github.com/exfil0/CVE-2025-59718-PoC POC Details
3 PoC para determinar si Fortinet es vulnerable a CVE-2025-59718 / CVE-2025-59719 https://github.com/moften/CVE-2025-59718-Fortinet-Poc POC Details
4 CVE-2025-59718 https://github.com/Ashwesker/Ashwesker-CVE-2025-59718 POC Details
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III. Intelligence Information for CVE-2025-59718

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Vendor Advisories for CVE-2025-59718 (1)

Same Patch Batch · Fortinet · 2025-12-09 · 17 CVEs total

CVE-2025-59719 9.1 CRITICAL Fortinet FortiWeb 数据伪造问题漏洞
CVE-2025-60024 7.7 HIGH Fortinet FortiVoice 路径遍历漏洞
CVE-2025-64447 7.1 HIGH Fortinet FortiWeb 安全漏洞
CVE-2025-53949 7.0 HIGH Fortinet FortiSandbox 操作系统命令注入漏洞
CVE-2025-53679 6.9 MEDIUM Fortinet FortiSandbox 操作系统命令注入漏洞
CVE-2025-64156 6.8 MEDIUM Fortinet FortiVoice SQL注入漏洞
CVE-2025-64153 6.7 MEDIUM Fortinet FortiExtender 操作系统命令注入漏洞
CVE-2025-59808 6.5 MEDIUM Fortinet FortiSOAR PaaS和Fortinet FortiSOAR on-premise 安全漏洞
CVE-2025-54838 6.4 MEDIUM Fortinet FortiPortal 安全漏洞
CVE-2024-47570 6.3 MEDIUM Fortinet多款产品 日志信息泄露漏洞
CVE-2025-59810 6.2 MEDIUM Fortinet FortiSOAR PaaS和Fortinet FortiSOAR on-premise 访问控制错误漏洞
CVE-2025-62631 5.3 MEDIUM Fortinet FortiOS 代码问题漏洞
CVE-2025-54353 5.3 MEDIUM Fortinet FortiSandbox 跨站脚本漏洞
CVE-2025-64471 4.4 MEDIUM Fortinet FortiWeb 安全漏洞
CVE-2025-59923 2.6 LOW Fortinet FortiAuthenticator 访问控制错误漏洞
CVE-2025-57823 2.6 LOW Fortinet FortiAuthenticator 安全漏洞

IV. Related Vulnerabilities

Same product: FortiSwitchManager
Same vendor: Fortinet
Same weakness: CWE-347

V. Comments for CVE-2025-59718

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