Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of SetQoSSettings requests to the web management portal. When parsing subelements within the QoSInfo element, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16153.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-1935 Firmware | <= 1.02 |
| Dlink | Dir-1935 | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1504/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1504/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-43632?
CVE-2022-43632 is a vulnerability with a CVSS score of 6.8 (MEDIUM). This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerabil...
How severe is CVE-2022-43632?
CVE-2022-43632 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-43632?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-1935 Firmware, Dlink Dir-1935.