How severe is CVE-2024-12343?

CVE-2024-12343 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-12343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-12343?

CVE-2024-12343 affects Tp-link Vn020 F3v Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-12343?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-12343 have an EU (EUVD) identifier?

Yes. CVE-2024-12343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50788.

When was CVE-2024-12343 published?

CVE-2024-12343 was published on 2024-12-08 and last updated on 2026-06-17.

CVE-2024-12343

CVE-2024-12343 is a medium-severity vulnerability in Tp-link Vn020 F3v Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
CVSS v4: 7.1
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-50788
Weakness: CWE-119
Affected product: Tp-link Vn020 F3v Firmware
Published: 2024-12-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-12343?: 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.
How severe is CVE-2024-12343?: CVE-2024-12343 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-12343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-12343?: CVE-2024-12343 affects Tp-link Vn020 F3v Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-12343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-12343 have an EU (EUVD) identifier?: Yes. CVE-2024-12343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50788.
When was CVE-2024-12343 published?: CVE-2024-12343 was published on 2024-12-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:vn020_f3v_firmware:6.2.1021:*:*:*:*:*:*:*

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