Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-2826— 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.

Quick assessment

Affected
Arista Networks EOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arista EOS是美国Arista公司的一个完全可编程的、高度模块化的、基于Linux的网络操作系统。 Arista EOS存在安全漏洞，该漏洞源于ACL策略可能未强制执行，可能导致错误允许或拒绝数据包。

CVSS 2.6 · Low EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1565.001 · Stored Data Manipulation
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-2826

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
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.
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5
Vulnerability Title
Arista EOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arista EOS是美国Arista公司的一个完全可编程的、高度模块化的、基于Linux的网络操作系统。 Arista EOS存在安全漏洞，该漏洞源于ACL策略可能未强制执行，可能导致错误允许或拒绝数据包。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks EOS 4.33.2F -

II. Public POCs for CVE-2025-2826

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-2826

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-2826 (1)

Same Patch Batch · Arista Networks · 2025-05-27 · 3 CVEs total

CVE-2024-11185 6.5 MEDIUM On affected platforms running Arista EOS, ingress traffic on Layer 2 ports may, under cert
CVE-2025-2796 5.3 MEDIUM On affected platforms with hardware IPSec support running Arista EOS with IPsec enabled an

IV. Related Vulnerabilities

Same product: EOS
Same vendor: Arista Networks
Same weakness: CWE-1284

V. Comments for CVE-2025-2826

No comments yet

Leave a comment