What is CVE-2022-46430?

CVE-2022-46430 is a medium-severity vulnerability in TP-Link Tl-Wr740n V1, classified under Download of Code Without Integrity Check. CVSS score: 4.8/10. Published 2022-12-20.

How severe is CVE-2022-46430?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in TP-Link Tl-Wr740n V1

CVE-2022-46430

TP-Link TL-WR740N V1 and V2 v3.12.4 and earlier allows authenticated attackers to execute arbitrary code or cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

Published 2022-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (27.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% 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: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

References

www.tp-link.com/us/press/security-advisory/ (Vendor Advisory)
hackmd.io/@slASVrz_SrW7NQCsunofeA/BJxlw2Pwi

Frequently asked questions

What is CVE-2022-46430?: CVE-2022-46430 is a medium-severity vulnerability in TP-Link Tl-Wr740n V1, classified under Download of Code Without Integrity Check. CVSS score: 4.8/10. Published 2022-12-20.
How severe is CVE-2022-46430?: Medium severity. CVSS v3 base score is 4.8 out of 10.