CVE-2022-24972: tp-link tl-wr940n_firmware Improper Access Control
Vulnerability summary
CVE-2022-24972 is a medium (CVSS 6.5) Improper Access Control vulnerability in tp-link tl-wr940n_firmware. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.9% of scored vulnerabilities.
Timeline
- 28-03-2023PublishedVulnerability first disclosed.
- 19-02-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
-0.01 pp
From 0.58% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tp-link1 product
- tl-wr940n_firmware3.20.1 Build 200316 Rel.34392n (5553) | 3.20.1:build_200316
1 vendor · 1 product