Vulnerability in TP-Link Tl-Wr940n
CVE-2022-43635
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) 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 incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-17332.
EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Tp-link Tl-wr940n — versions 6_211111 3.20.1(US)
- Tp-link Tl-wr940n_firmware — versions 6_211111_3.20.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-43635?
- CVE-2022-43635 is a medium-severity vulnerability in TP-Link Tl-Wr940n, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 6.5/10. Published 2023-03-29.
- How severe is CVE-2022-43635?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-43635 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.