TP-Link VN020 F3v(T) Incomplete SOAP Request WANIPConnection denial of service

published 2024-12-08 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-50787

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 9.4%; EPSS 9.4% chance of exploitation in 30 days, percentile 95%
public exploits: 1; Exploit-DB

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.

Timeline

2024-12-08 Published
2025-04-17 First public exploit (EDB-52250)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-09)

Exploit prediction

9.37% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-52250 TP-Link VN020 F3v(T) TT_V6.2.1021 - Denial Of Service (DOS) remote, 2025-04-17
github.com https://github.com/Zephkek/TP-WANPunch/blob/main/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	7.1	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
CNA	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.0	6.5	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	2.0	6.1	AV:A/AC:L/Au:N/C:N/I:N/A:C
CNA	4.0	7.1	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

Affected products

TP-Link VN020 F3v(T)

Classification

Weakness

CWE-404 Improper Resource Shutdown or Release

References

github.com /Zephkek/TP-WANPunch/blob/main/README.md
exploit
vuldb.com /?id.287261
vdb-entry
vuldb.com /?ctiid.287261
signature, permissions-required
tp-link.com /
product

Sources

CVE List CVE-2024-12342
NVD CVE-2024-12342

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary