ZDI-CAN-13910: TP-Link TL-WR940N httpd httpRpmFs Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of file name extensions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
| 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-13910?
The severity of ZDI-CAN-13910 is critical due to the potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-13910?
To fix ZDI-CAN-13910, update your TP-Link TL-WR940N router firmware to the latest version provided by TP-Link.
Who is affected by ZDI-CAN-13910?
The vulnerability ZDI-CAN-13910 affects installations of TP-Link TL-WR940N routers.
Can ZDI-CAN-13910 be exploited without authentication?
Yes, ZDI-CAN-13910 can be exploited without authentication, making it particularly dangerous.
What type of attacks can ZDI-CAN-13910 facilitate?
ZDI-CAN-13910 can facilitate remote code execution attacks, allowing attackers to take control of affected routers.
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- canonical/tp-link tl-wr940n v2 firmware