Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is 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 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. Was ZDI-CAN-13993.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Tl-Wr940N Firmware | < 211111 |
| Tp-Link | Tl-Wr940N | - |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-22-407/Third Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-407/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-0650?
CVE-2022-0650 is a vulnerability with a CVSS score of 8.0 (HIGH). This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required ...
How severe is CVE-2022-0650?
CVE-2022-0650 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-0650?
Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr940N Firmware, Tp-Link Tl-Wr940N.