CVE-2022-43635

MEDIUM

TP-Link TL-WR940N <6_211111 3.20.1(US) - Info Disclosure

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 6.5
EPSS 0.0034
EPSS Percentile 56.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-303
Status published
Products (1)
tp-link/tl-wr940n_firmware 6_211111_3.20.1
Published Mar 29, 2023
Tracked Since Feb 18, 2026