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

Goal: 1000 CNY · Raised: 1359 CNY

100%

Buy Us a Coffee

CVE-2026-73465— On affected platforms running Arista EOS, under certain circumstances plaintext private keys

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 Networks EOS是美国Arista Networks公司的一款面向数据中心与云环境的高可编程网络设备操作系统。 Arista Networks EOS 4.36.0版本至4.36.1F版本、4.35.0版本至4.35.4M版本、4.34.0版本至4.34.7M版本、4.33.9M及之前版本、4.32.0及之前版本和4.31.0及之前版本存在日志信息泄露漏洞，该漏洞源于在启用专门的非标准调试跟踪级别时，明文私钥可能以明文形式写入日志文件，可能导致私钥泄露。

CVSS 6.3 · Medium EPSS 0.13% · P3 Updated Sep 17, 2026

Possible ATT&CK Techniques 3 AI

T1016 · System Network Configuration Discovery T1105 · Ingress Tool Transfer T1562.001

Affected Version Matrix 6

Vendor	Product	Version Range	Status
Arista Networks	EOS	`4.36.0≤ 4.36.1F`	affected
		`4.35.0≤ 4.35.4M`	affected
		`4.34.0≤ 4.34.7M`	affected
		`0.0.0≤ 4.33.9M`	affected
		`≤ 4.32.0`	affected
		`≤ 4.31.0`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-73465

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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

On affected platforms running Arista EOS, under certain circumstances plaintext private keys

Source: CVE Program / CVE List V5

Vulnerability Description

On affected platforms running Arista EOS, under certain circumstances plaintext private keys may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already possess authenticated local administrative access to the device shell, and specialized non-standard debugging trace levels must be explicitly enabled. This issue was discovered internally by Arista, and the company is not aware of any malicious exploitation of this vulnerability in customer networks.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

通过日志文件的信息暴露

Source: CVE Program / CVE List V5

Vulnerability Title

Arista Networks EOS 日志信息泄露漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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	4.36.0 ~ 4.36.1F	-

II. Public POCs for CVE-2026-73465

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-73465

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-73465 (1)

🔗 Security Advisory 0153 - Arista vendor-advisory

https://www.cve.org/CVERecord?id=CVE-2026-73465

Same Patch Batch · Arista Networks · 2026-09-15 · 12 CVEs total

CVE-2026-73437	9.6 CRITICAL	On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) r
CVE-2026-73458	8.2 HIGH	On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detec
CVE-2026-73459	7.4 HIGH	Security Advisory 0160
CVE-2026-73446	7.4 HIGH	Security Advisory 0160
CVE-2026-19655	6.5 MEDIUM	On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) r
CVE-2026-73466	6.3 MEDIUM	On affected platforms running Arista EOS, under certain circumstances plaintext user passw
CVE-2026-73467	6.3 MEDIUM	On affected platforms running Arista EOS, under certain circumstances plaintext shared sec
CVE-2026-73460	6.1 MEDIUM	Security Advisory 0160
CVE-2026-19641	5.3 MEDIUM	On affected platforms running Arista EOS with password authentication configured, a specia
CVE-2026-73451	4.8 MEDIUM	On affected platforms running Arista EOS with dual switch cards and with ingress Security
CVE-2026-73444	4.7 MEDIUM	On affected platforms running Arista EOS with VRRPv2 IP Authentication Header (IP-AH) auth

IV. Related Vulnerabilities

Same product: EOS

Same vendor: Arista Networks

Same weakness: CWE-532