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CVE-2024-12343— TP-Link VN020 F3v(T) SOAP Request WANIPConnection buffer overflow

Quick assessment

Affected
TP-Link VN020 F3v(T)
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-LINK VN020是中国普联（TP-LINK）公司的一款无线调制解调器。 TP-Link VN020 F3v(T) TT_V6.2.1021版本存在安全漏洞，该漏洞源于组件SOAP请求处理程序中，参数NewConnectionType存在缓冲区溢出。

CVSS 6.5 · Medium EPSS 4.96% · P92
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I. Basic Information for CVE-2024-12343

Vulnerability Information
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Vulnerability Title
TP-Link VN020 F3v(T) SOAP Request WANIPConnection buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical has been found in TP-Link VN020 F3v(T) TT_V6.2.1021. Affected is an unknown function of the file /control/WANIPConnection of the component SOAP Request Handler. The manipulation of the argument NewConnectionType leads to buffer overflow. The attack needs to be done within the local network. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
TP-LINK VN020 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK VN020是中国普联（TP-LINK）公司的一款无线调制解调器。 TP-Link VN020 F3v(T) TT_V6.2.1021版本存在安全漏洞，该漏洞源于组件SOAP请求处理程序中，参数NewConnectionType存在缓冲区溢出。
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
TP-Link VN020 F3v(T) TT_V6.2.1021 -

II. Public POCs for CVE-2024-12343

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III. Intelligence Information for CVE-2024-12343

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Vendor Advisories for CVE-2024-12343 (2)

Proof of Concept for CVE-2024-12343 (1)

Same Patch Batch · TP-Link · 2024-12-08 · 3 CVEs total

CVE-2024-12342 6.5 MEDIUM TP-Link VN020 F3v(T) Incomplete SOAP Request WANIPConnection denial of service
CVE-2024-12344 6.3 MEDIUM TP-Link VN020 F3v(T) FTP USER Command memory corruption

IV. Related Vulnerabilities

Same product: VN020 F3v(T)
Same vendor: TP-Link
Same weakness: CWE-120

V. Comments for CVE-2024-12343

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