CVE-2022-43636
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I. Basic Information for CVE-2022-43636
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不充分的随机数
Source: NVD (National Vulnerability Database)
Vulnerability Title
TP-LINK TL-WR940N 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK TL-WR940N是中国普联（TP-LINK）公司的一款无线路由器。 TP-Link TL-WR940N 6_211111 版本存在安全特征问题漏洞，该漏洞源于用于会话管理的序列号缺乏足够的随机性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-43636
| # | POC Description | Source Link | Shenlong Link |
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Same Patch Batch · TP-Link · 2023-03-29 · 3 CVEs total
| CVE-2022-42433 | TP-LINK TL-WR841N 操作系统命令注入漏洞 | |
| CVE-2022-43635 | TP-LINK TL-WR940N 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: TP-Link
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Stack-based buffer overflow in TP-Link Archer AX50 - CVE-2025-3442
Information Disclosure Vulnerability in TP-Link Tapo IoT Sma - CVE-2025-1099
Information Disclosure Vulnerability in TP-Link Tapo C500 Wi - CVE-2025-0730
TP-Link TL-SG108E HTTP GET Request usr_account_set.cgi get r - CVE-2025-0729
TP-Link TL-SG108E clickjacking
Same weakness: CWE-330
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V. Comments for CVE-2022-43636
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