ZDI-CAN-19899: ZDI-23-1808: TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability
First published: Tue Dec 19 2023(Updated: )
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N 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 improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link TL-WR841N |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-19899?
The severity of ZDI-CAN-19899 is high due to the potential for sensitive information disclosure without authentication.
How do I fix ZDI-CAN-19899?
To fix ZDI-CAN-19899, update the firmware of the TP-Link TL-WR841N router to the latest version provided by the manufacturer.
Who is affected by ZDI-CAN-19899?
ZDI-CAN-19899 affects users of TP-Link TL-WR841N routers that are using vulnerable firmware versions.
Can ZDI-CAN-19899 be exploited remotely?
Yes, ZDI-CAN-19899 can be exploited remotely by network-adjacent attackers.
What data can be exposed by ZDI-CAN-19899?
ZDI-CAN-19899 may expose sensitive information stored on affected installations of TP-Link TL-WR841N routers.
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