What is CVE-2022-4296?

CVE-2022-4296 is a medium-severity vulnerability in TP-Link Tl-Wr740n, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2022-12-06.

How severe is CVE-2022-4296?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in TP-Link Tl-Wr740n

CVE-2022-4296

A vulnerability classified as problematic has been found in TP-Link TL-WR740N. Affected is an unknown function of the component ARP Handler. The manipulation leads to resource consumption. The attack needs to be done within the local network. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214812.

Published 2022-12-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

www.youtube.com/watch (Permissions Required, Exploit, Third Party Advisory)
vuldb.com/ (Third Party Advisory)

Frequently asked questions

What is CVE-2022-4296?: CVE-2022-4296 is a medium-severity vulnerability in TP-Link Tl-Wr740n, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2022-12-06.
How severe is CVE-2022-4296?: Medium severity. CVSS v3 base score is 6.5 out of 10.