High severity8.8NVD Advisory· Published Mar 29, 2023· Updated Jun 17, 2026
CVE-2022-43622
CVE-2022-43622
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code 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 Login requests to the web management portal. When parsing the HNAP_AUTH header, the process does not properly validate 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-16139.
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Affected products
2Patches
Vulnerability mechanics
References
2- supportannouncement.us.dlink.com/announcement/publication.aspxnvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-22-1491/nvdThird Party AdvisoryVDB Entry
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