Sensitive Information Disclosure in TP-Link TL-WR940N Routers
CVE-2022-43635

6.5MEDIUM

Key Information:

Vendor

Tp-link
Status
Tl-wr940n
Vendor
CVE Published:
29 March 2023

What is CVE-2022-43635?

The vulnerability present in TP-Link TL-WR940N routers allows unauthorized network-adjacent attackers to gain access to sensitive information. The issue arises from a flaw in the httpd service running on TCP port 80, where the authentication algorithm has been incorrectly implemented. This vulnerability enables attackers to disclose stored credentials without requiring any form of authentication, paving the way for further attacks on the system.

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Affected Version(s)

TL-WR940N 6_211111 3.20.1(US)

References

https://www.zerodayinitiative.com/advisories/ZDI-22-1615/

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ExLuck
JSON
.