CVE-2022-43636

CVSS V2 None CVSS V3 None
Description
This vulnerability allows network-adjacent attackers to bypass authentication 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 lack of sufficient randomness in the sequnce numbers used for session managment. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-18334.
Overview
  • CVE ID
  • CVE-2022-43636
  • Assigner
  • zdi-disclosures@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2023-03-29T19:15:20
  • Last Modified Date
  • 2023-04-07T14:16:06
Weakness Enumerations
CWE URL
CWE-330 http://cwe.mitre.org/data/definitions/330.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:tp-link:tl-wr940n_firmware:6_211111_3.20.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tp-link:tl-wr940n:-:*:*:*:*:*:*:* 0 OR
References
Reference URL Reference Tags
https://www.zerodayinitiative.com/advisories/ZDI-22-1614/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-43636
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-43636
History
Created Old Value New Value Data Type Notes
2023-04-17 03:52:18 Added to TrackCVE
2023-04-17 03:52:21 Weakness Enumeration new
2023-04-17 05:06:40 CVSS V3 information new