CVE-2020-15632

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting requests. The issue results from the lack of proper handling of sessions. An attacker can leverage this vulnerability to execute arbitrary code in the context of the device. Was ZDI-CAN-10083.

• CWE-303

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10184Patch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-20-880/Third Party Advisory, VDB Entry
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10184Patch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-20-880/Third Party Advisory, VDB Entry

Published

Jul 23, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-15627This vulnerability allows remote attackers to disclose sensi…7.5
• CVE-2020-15628This vulnerability allows remote attackers to disclose sensi…7.5
• CVE-2020-15629This vulnerability allows remote attackers to execute arbitr…7.8
• CVE-2020-1563A remote code execution vulnerability exists in Microsoft Of…7.8
• CVE-2020-15630This vulnerability allows remote attackers to disclose sensi…7.8
• CVE-2020-15631This vulnerability allows network-adjacent attackers to exec…8
• CVE-2020-15633This vulnerability allows network-adjacent attackers to bypa…8.8
• CVE-2020-15634This vulnerability allows network-adjacent attackers to exec…6.3
• CVE-2020-15635This vulnerability allows network-adjacent attackers to exec…8.8
• CVE-2020-15636This vulnerability allows remote attackers to execute arbitr…9.8
• CVE-2020-15637This vulnerability allows remote attackers to disclose sensi…3.3
• CVE-2020-15638This vulnerability allows remote attackers to execute arbitr…7.8