What is CVE-2022-24972?

CVE-2022-24972 is a medium-severity vulnerability in TP-Link Tl-Wr940n, classified under Improper Access Control. CVSS score: 6.5/10. Published 2023-03-28.

How severe is CVE-2022-24972?

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

Vulnerability in TP-Link Tl-Wr940n

CVE-2022-24972

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13911.

Published 2023-03-28 · 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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.6th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000

Affected products

TP-Link Tl-Wr940n — versions 3.20.1 Build 200316 Rel.34392n (5553)
TP-Link Tl-Wr940n Firmware — versions 3.20.1

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.zerodayinitiative.com/advisories/ZDI-22-405/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-24972?: CVE-2022-24972 is a medium-severity vulnerability in TP-Link Tl-Wr940n, classified under Improper Access Control. CVSS score: 6.5/10. Published 2023-03-28.
How severe is CVE-2022-24972?: Medium severity. CVSS v3 base score is 6.5 out of 10.