CVE-2025-25040: Failure to Properly Enforce Port ACLs on CPU generated packets in CX 9300 Switches

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-18 · updated 2026-09-22
Weakness: CWE-863

Description

A vulnerability has been identified in the port ACL functionality of AOS-CX software running on the HPE Aruba Networking CX 9300 Switch Series only and affects: - AOS-CX 10.14.xxxx : All patches - AOS-CX 10.15.xxxx : 10.15.1000 and below The vulnerability is specific to traffic originated by the CX 9300 switch platform and could allow an attacker to bypass ACL rules applied to routed ports on egress. As a result, port ACLs are not correctly enforced, which could lead to unauthorized traffic flow and violations of security policies. Egress VLAN ACLs and Routed VLAN ACLs are not affected by this vulnerability.

Affected products

Hewlett Packard Enterprise (HPE) AOS-CX: from 10.14.0000 before 10.14.1040; from 10.15.0000 before 10.15.1001 — fixed in 10.14.1040, 10.15.1001

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) AOS-CX 10.14.1040, 10.15.1001. Check the vendor advisory for mitigations.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw04818en_us&docLocale=en_US

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