High severity8.8NVD Advisory· Published Mar 29, 2023· Updated Jun 17, 2026
CVE-2022-43621
CVE-2022-43621
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.
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Affected products
2Patches
Vulnerability mechanics
References
2- supportannouncement.us.dlink.com/announcement/publication.aspxnvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-22-1503/nvdThird Party AdvisoryVDB Entry
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