ZDI-CAN-17332: 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 | Affected Version | How to fix |
|---|---|---|
| TP-Link TL-WR940N V2 Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-17332?
The severity of ZDI-CAN-17332 is considered high due to its potential for sensitive information disclosure.
How do I fix ZDI-CAN-17332?
To fix ZDI-CAN-17332, update your TP-Link TL-WR940N router to the latest firmware version provided by the manufacturer.
Who can exploit ZDI-CAN-17332?
Network-adjacent attackers can exploit ZDI-CAN-17332 without requiring authentication.
What type of vulnerability is ZDI-CAN-17332?
ZDI-CAN-17332 is a vulnerability that allows for the disclosure of sensitive information.
Which devices are affected by ZDI-CAN-17332?
ZDI-CAN-17332 specifically affects TP-Link TL-WR940N routers.
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- canonical/tp-link tl-wr940n v2 firmware