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CVE-2026-87425

Quick assessment

Affected
Brocade Brocade Active Support Connectivity Gateway
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.

在未授权远程攻击者的攻击下，可以修改 Brocade ASCG 3.5.0 之前版本中的 TLS 客户端信任存储区。通过向未授权的管理接口提供未经授权的证书颁发机构（CA）证书，攻击者可以使系统信任未经授权的证书，从而可能对外出通信（如与管理交换机和对等节点的通信）实施中间人（MITM）攻击。

CVSS 7.6 · High

Possible ATT&CK Techniques 1 AI

T1195.002 · Compromise Software Supply Chain
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I. Basic Information for CVE-2026-87425

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can modify the TLS client trust store in Brocade ASCG versions before 3.5.0. By supplying an unauthorized Certificate Authority (CA) certificate to an unauthenticated management interface, the attacker can cause the system to trust unauthorized certificates, potentially enabling Man-in-the-Middle (MITM) attacks against outbound communications with managed switches and peer nodes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Brocade Brocade Active Support Connectivity Gateway 0 ~ 3.5.0 -

II. Public POCs for CVE-2026-87425

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III. Intelligence Information for CVE-2026-87425

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Vendor Advisories for CVE-2026-87425 (1)

Same Patch Batch · Brocade · 2026-10-08 · 61 CVEs total

CVE-2026-85421 8.7 HIGH Brocade ASCG <3.5.0 身份验证绕过导致远程代码执行
CVE-2026-85489 8.7 HIGH Brocade ASCG<3.5.0 认证绕过漏洞
CVE-2026-87684 8.7 HIGH Brocade Fabric<10.0.1 SNMP守护进程栈缓冲区溢出漏洞
CVE-2026-87666 8.6 HIGH Brocade Fabric OS 9.2.2d/10.0.0a1 OS命令注入漏洞
CVE-2026-85486 8.6 HIGH Brocade ASCG <3.5.0 任意代码执行漏洞
CVE-2026-85423 8.6 HIGH Brocade ASCG 3.5.0前未授权命令执行漏洞
CVE-2026-85487 8.6 HIGH Brocade ASCG<3.5.0路径穿越致任意文件操作
CVE-2026-87424 8.6 HIGH Brocade ASCG<3.5.0认证绕过漏洞
CVE-2026-87683 8.6 HIGH Brocade Fabric OS堆缓冲区溢出漏洞
CVE-2026-87682 8.6 HIGH Brocade Fabric OS<10.0.1命令注入漏洞
CVE-2026-87687 8.5 HIGH Brocade Fabric OS 垂直提权与越权漏洞
CVE-2026-94586 8.5 HIGH Brocade Fabric OS命令注入漏洞（低于9.2.2d/10.0.0a1）
CVE-2026-87688 8.5 HIGH Brocade Fabric OS远程命令执行漏洞
CVE-2026-94581 8.5 HIGH Brocade Fabric OS 9.2.2d前及10.0.0-10.0.0a1远程命令注入漏洞
CVE-2026-87674 8.5 HIGH Brocade Fabric OS本地提权漏洞（9.2.2d/10.0.0）
CVE-2026-87679 8.5 HIGH Brocade Fabric OS<10.0.1堆溢出漏洞
CVE-2026-87664 8.5 HIGH Brocade Fabric OS会话伪造漏洞
CVE-2026-87680 8.5 HIGH Brocade Fabric OS命令注入漏洞
CVE-2026-87428 8.4 HIGH Brocade ASCG 3.5.0前凭据泄露漏洞
CVE-2026-85422 8.4 HIGH Brocade ASCG <3.5.0 硬编码密钥漏洞

Showing top 20 of 61 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Brocade Active Support Connectivity Gateway
Same vendor: Brocade
Same weakness: CWE-295

V. Comments for CVE-2026-87425

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