CVE-2026-87424

A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication across deployments due to the use of a hard coded cryptographic key.

CVSS 4.0

8.6CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-321

Published

2026-10-08

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• broadcom:brocade_active_support_connectivity_gateway

References

• https://support.broadcom.com/external/content/SecurityAdvisories/0/38391

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