ZDI-22-1615: TP-Link TL-WR940N httpd Incorrect Implementation of Authentication Algorithm Information Disclosure Vulnerability
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-22-1615?
The severity of ZDI-22-1615 is classified as high due to the potential for sensitive information disclosure.
How do I fix ZDI-22-1615?
To fix ZDI-22-1615, update the TP-Link TL-WR940N router firmware to the latest version provided by the manufacturer.
Who is affected by ZDI-22-1615?
ZDI-22-1615 affects users of TP-Link TL-WR940N routers that have not patched their devices.
Can ZDI-22-1615 be exploited remotely?
Yes, ZDI-22-1615 can be exploited by network-adjacent attackers without requiring authentication.
What type of information does ZDI-22-1615 disclose?
ZDI-22-1615 allows disclosure of sensitive information that could be leveraged by attackers to compromise affected systems.