Failure to Properly Enforce Port ACLs on CPU generated packets in CX 9300 Switches

published 2025-03-18 19 mo ago modified 2026-09-22 47 d ago also EUVD-2025-6702

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

hpe arubaos-cx 10.14.1040, 10.15.1001

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-18)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

Hewlett Packard Enterprise (HPE) AOS-CX

Classification

Weakness

CWE-863 Incorrect Authorization

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw04818en_us&docLocale=en_US
vendor-advisory

Sources

CVE List CVE-2025-25040
NVD CVE-2025-25040

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary