SecuriTricks - CVE-2025-2826

Description

n affected platforms running Arista EOS, ACL policies may not be enforced. IPv4 ingress ACL, MAC ingress ACL, or IPv6 standard ingress ACL enabled on one or more ethernet or LAG interfaces may result in ACL policies not being enforced for ingress packets. This can cause incoming packets to incorrectly be allowed or denied. The two symptoms of this issue on the affected release and platform are: * Packets which should be permitted may be dropped and, * Packets which should be dropped may be permitted.

Product(s) Impacted

Vendor	Product	Versions
Arista	Arista Eos	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1284

Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	arista	arista_eos	/	/	/	/	/	/	/	/

References

https://www.arista.com/en/support/advisories-notices/security-advisory/21414-security-advisory-0120

CVSS Score

2.6 / 10

CVSS Data - 3.1

Attack Vector: ADJACENT_NETWORK
Attack Complexity: HIGH
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: NONE

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

View Vector String

Timeline

Published: May 27, 2025, 11:15 p.m.
Last Modified: May 28, 2025, 3:01 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@arista.com

CVE-2025-2826