CVE-2024-12342

MEDIUM

TP-Link VN020 F3v(T) TT_V6.2.1021 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2024-12342. PoCs published by Mohamed Maatallah, becrevex.

AI-analyzed exploit summary This exploit demonstrates two DoS vulnerabilities in TP-Link VN020-F3v(T) router's UPnP service via malformed SOAP requests. The first PoC triggers a DoS by omitting required parameters, while the second causes potential memory corruption with an oversized payload.

Description

A vulnerability was found in TP-Link VN020 F3v(T) TT_V6.2.1021. It has been rated as critical. This issue affects some unknown processing of the file /control/WANIPConnection of the component Incomplete SOAP Request Handler. The manipulation leads to denial of service. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used.

Exploits (2)

exploitdb WORKING POC
by Mohamed Maatallah · textremotemultiple
https://www.exploit-db.com/exploits/52250

This exploit demonstrates two DoS vulnerabilities in TP-Link VN020-F3v(T) router's UPnP service via malformed SOAP requests. The first PoC triggers a DoS by omitting required parameters, while the second causes potential memory corruption with an oversized payload.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: TP-Link VN020-F3v(T) Router (TT_V6.2.1021)
No auth needed
Prerequisites: Network access to the router's UPnP service (port 5431)
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by becrevex · poc
https://github.com/becrevex/TPLink-VN020-DoS

The repository contains functional exploit code for a Denial of Service (DoS) vulnerability in TP-Link VN020-F3v devices via a malformed SOAP request. The exploit sends a crafted XML payload with an excessively long hex string to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: TP-Link VN020-F3v
No auth needed
Prerequisites: Network access to the target device · UPnP service exposed on the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (4)

Core 4
Core References
Permissions Required, VDB Entry vdb-entry
https://vuldb.com/?id.287261
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.287261
Various Sources product
https://www.tp-link.com/

Scores

CVSS v3 6.5
EPSS 0.1221
EPSS Percentile 94.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (1)
TP-Link/VN020 F3v(T) TT_V6.2.1021
Published Dec 08, 2024
Tracked Since Feb 18, 2026