CVE-2025-2826
lowpriority · track · 0EPSS 0.005 · 45 %ileDEEUEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1159Arista EOS: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2025-05-27csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Arista EOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-2826cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisory/21414-security-advisory-0120cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisory/21414-security-advisory-0120enisa_euvd
- https://www.arista.com/en/support/advisories-notices/security-advisory/21414-security-advisory-0120nvd
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