CVE-2026-87425

HIGH CVSS 4.0: 7.6 EPSS 0.10%
Updated Oct 14, 2026
Broadcom
Parameter Value
CVSS 7.6 (HIGH)
Affected Versions before 3.5.0
Fixed In 3.5.0
Type CWE-295 (Improper Certificate Validation)
Vendor Broadcom
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Broadcom Brocade_Active_Support_Connectivity_Gateway
cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*
— 3.5.0