CVE-2024-12343

Name: CVE-2024-12343
Creator: NVD / NIST
Published: 2024-12-08T10:15:04.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 4.72%

Last modified Jun 17, 2026

CVE-2024-12343 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 4.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

7.1/10

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

4.72%

90.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tp-Link	Vn020 F3v Firmware	6.2.1021

References

https://github.com/Zephkek/TP-WANPunch/blob/main/README.mdBroken Link
https://vuldb.com/?ctiid.287262Permissions Required
https://vuldb.com/?id.287262Third Party Advisory, VDB Entry
https://vuldb.com/?submit.446212Third Party Advisory, VDB Entry
https://www.tp-link.com/Vendor Advisory

Timeline

Published: Dec 8, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-12343?

How severe is CVE-2024-12343?

CVE-2024-12343 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 4.72% probability of exploitation in the next 30 days.

How do I fix CVE-2024-12343?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-12343?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST