CVE-2024-12343

Vn020 F3v Firmware vulnerability

CVSS

6.5

EPSS

4.7%

EPSS pct

91th

Exploited

No known

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.

Affected vendor

Tp Link

Affected product

Vn020 F3v Firmware

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds
CWE-120 — Classic Buffer Overflow

Published

2024-12-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2024-12343

Confirm whether Tp Link Vn020 F3v Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2024-12343.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2024-12343

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