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CVE-2024-8892— Uncontrolled Resource Consumption vulnerability on CIRCUTOR TCP2RS+

Quick assessment

Affected
CIRCUTOR CIRCUTOR TCP2RS+
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.

CIRCUTOR TCP2RS+是CIRCUTOR公司的一个以太网转换器。 CIRCUTOR TCP2RS+ 1.3b版本存在安全漏洞，该漏洞源于允许攻击者在未经身份验证的情况下修改任何配置值，导致设备配置失效并使其无法使用。

CVSS 5.3 · Medium EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1491.001 · Internal Defacement
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I. Basic Information for CVE-2024-8892

Vulnerability Information
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Vulnerability Title
Uncontrolled Resource Consumption vulnerability on CIRCUTOR TCP2RS+
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol and port 2000, deconfiguring the device and thus disabling its use. This equipment is at the end of its useful life cycle.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
CIRCUTOR TCP2RS+ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CIRCUTOR TCP2RS+是CIRCUTOR公司的一个以太网转换器。 CIRCUTOR TCP2RS+ 1.3b版本存在安全漏洞，该漏洞源于允许攻击者在未经身份验证的情况下修改任何配置值，导致设备配置失效并使其无法使用。
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
CIRCUTOR CIRCUTOR TCP2RS+ 1.3b -

II. Public POCs for CVE-2024-8892

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III. Intelligence Information for CVE-2024-8892

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Vendor Advisories for CVE-2024-8892 (1)

Same Patch Batch · CIRCUTOR · 2024-09-18 · 6 CVEs total

CVE-2024-8887 10.0 CRITICAL Authentication bypass vulnerability on CIRCUTOR Q-SMT
CVE-2024-8888 10.0 CRITICAL Insufficient Session Expiration vulnerability on CIRCUTOR Q-SMT
CVE-2024-8889 9.3 CRITICAL Improper Input Validation vulnerability on CIRCUTOR TCP2RS+
CVE-2024-8890 8.0 HIGH Insertion of Sensitive Information Into Sent Data vulnerability on CIRCUTOR Q-SMT
CVE-2024-8891 5.3 MEDIUM Exposure of Private Personal Information to an Unauthorized Actor vulnerability on CIRCUTO

IV. Related Vulnerabilities

Same product: CIRCUTOR TCP2RS+
Same vendor: CIRCUTOR
Same weakness: CWE-400

V. Comments for CVE-2024-8892

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