Vulnerability Description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from an incorrectly implemented comparison. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-16152.
CVSS Score
HIGH
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-22-1503/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1503/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-43621?
CVE-2022-43621 is a vulnerability with a CVSS score of 8.8 (HIGH). This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. T...
How severe is CVE-2022-43621?
CVE-2022-43621 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-43621?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-1935 Firmware, Dlink Dir-1935.