CVE-2021-43722

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction header onto the stack and has no limit on the size.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 31, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-43722: Critical severity, CVSS 9.8 | Vulnix