CVE-2021-43722

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2022-03-31

Last modified

2024-08-04

Weaknesses

CWE-787

Affected products

• Dir-645 Firmware (Dlink)

References

• https://github.com/luqiut/iot/blob/main/DIR-645%20Stack%20overflow.md
• https://www.dlink.com/en/security-bulletin/