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.
Published 2022-03-31 21:15:08
Updated 2022-04-08 06:33:21
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowMemory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-43722

0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-43722

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2021-43722

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-43722

Products affected by CVE-2021-43722

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