AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2022-43636

HIGH · CVSS 8.8 EPSS 0.91% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-03-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2022-43636
Severity
HIGH
CVSS
8.8
EPSS
0.91%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)