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CVE-2024-3741— Electrolink FM/DAB/TV Transmitter Authentication Bypass by Assumed-Immutable Data

Quick assessment

Affected
Electrolink Compact DAB Transmitter
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.

Electrolink FM/DAB/TV Transmitter是Electrolink公司的一系列发射机。 Electrolink FM/DAB/TV Transmitter 存在安全漏洞，该漏洞源于存在身份认证绕过漏洞。攻击者可以对登录Cookie设置除NO之外的任意值，并具有完全系统访问权限。

CVSS 7.5 · High EPSS 0.49% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-3741

Vulnerability Information
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Vulnerability Title
Electrolink FM/DAB/TV Transmitter Authentication Bypass by Assumed-Immutable Data
Source: CVE Program / CVE List V5
Vulnerability Description
Electrolink transmitters are vulnerable to an authentication bypass vulnerability affecting the login cookie. An attacker can set an arbitrary value except 'NO' to the login cookie and have full system access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用假设不可变数据进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Electrolink FM/DAB/TV Transmitter 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Electrolink FM/DAB/TV Transmitter是Electrolink公司的一系列发射机。 Electrolink FM/DAB/TV Transmitter 存在安全漏洞，该漏洞源于存在身份认证绕过漏洞。攻击者可以对登录Cookie设置除NO之外的任意值，并具有完全系统访问权限。
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
Electrolink Compact DAB Transmitter 10W -
Electrolink Medium DAB Transmitter 500W -
Electrolink High Power DAB Transmitter 2.5kW -
Electrolink Compact FM Transmitter Compact FM Transmitter -
Electrolink Modular FM Transmitter 3kW -
Electrolink Digital FM Transmitter 15W ~ 40kW -
Electrolink VHF TV Transmitter BI -
Electrolink UHF TV Transmitter 10W ~ 5kW -

II. Public POCs for CVE-2024-3741

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III. Intelligence Information for CVE-2024-3741

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Vendor Advisories for CVE-2024-3741 (1)

Same Patch Batch · Electrolink · 2024-04-18 · 7 CVEs total

CVE-2024-22186 8.8 HIGH Electrolink FM/DAB/TV Transmitter Reliance on Cookies without Validation and Integrity Che
CVE-2024-21872 7.5 HIGH Electrolink FM/DAB/TV Transmitter Reliance on Cookies without Validation and Integrity Che
CVE-2024-22179 7.5 HIGH Electrolink FM/DAB/TV Transmitter Authentication Bypass by Assumed-Immutable Data
CVE-2024-1491 7.5 HIGH Electrolink FM/DAB/TV Transmitter Missing Authentication for Critical Function
CVE-2024-3742 7.5 HIGH Electrolink FM/DAB/TV Transmitter Cleartext Storage of Sensitive Information
CVE-2024-21846 5.3 MEDIUM Electrolink FM/DAB/TV Transmitter Missing Authentication for Critical Function

IV. Related Vulnerabilities

Same product: Compact DAB Transmitter
Same vendor: Electrolink
Same weakness: CWE-302

V. Comments for CVE-2024-3741

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