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CVE-2025-67039— Lantronix EDS3000PS Authentication Bypass Using an Alternate Path or Channel

Quick assessment

Affected
Lantronix EDS3000PS series
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.

Lantronix EDS3000PS是美国Lantronix公司的一个串口设备服务器。 Lantronix EDS3000PS 3.1.0.0R2版本存在安全漏洞，该漏洞源于管理页面身份验证可被绕过，可能导致攻击者通过特定URL后缀和Authorization标头绕过身份验证。

CVSS 9.8 · Critical EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Lantronix EDS3000PS series ≤ 3.1.0.0R2 affected
3.2.0.0R2 unaffected
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I. Basic Information for CVE-2025-67039

Vulnerability Information
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Vulnerability Title
Lantronix EDS3000PS Authentication Bypass Using an Alternate Path or Channel
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2. The authentication on management pages can be bypassed by appending a specific suffix to the URL and by sending an Authorization header that uses "admin" as the username.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Lantronix EDS3000PS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lantronix EDS3000PS是美国Lantronix公司的一个串口设备服务器。 Lantronix EDS3000PS 3.1.0.0R2版本存在安全漏洞，该漏洞源于管理页面身份验证可被绕过，可能导致攻击者通过特定URL后缀和Authorization标头绕过身份验证。
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
Lantronix EDS3000PS series 0 ~ 3.1.0.0R2 -

II. Public POCs for CVE-2025-67039

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III. Intelligence Information for CVE-2025-67039

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Vendor Advisories for CVE-2025-67039 (1)

Vendor Pages for CVE-2025-67039 (2)

Other References for CVE-2025-67039 (1)

Same Patch Batch · Lantronix · 2026-03-11 · 8 CVEs total

CVE-2025-67038 9.8 CRITICAL Lantronix EDS5000, G520, and X300 OS Command Injection
CVE-2025-67041 7.2 HIGH Lantronix EDS3000PS OS Command Injection
CVE-2025-67035 7.2 HIGH Lantronix EDS5000 OS Command Injection
CVE-2025-67034 7.2 HIGH Lantronix EDS5000, G520, and X300 OS Command Injection
CVE-2025-67036 7.2 HIGH Lantronix EDS5000, G520, and X300 OS Command Injection
CVE-2025-67037 7.2 HIGH Lantronix EDS5000, G520, and X300 OS Command Injection
CVE-2025-70082 2.7 LOW Lantronix EDS3000PS Unverified Password Change

IV. Related Vulnerabilities

Same product: EDS3000PS series
Same vendor: Lantronix
Same weakness: CWE-288

V. Comments for CVE-2025-67039

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