CVEvulnerability
CVE-2021-43722
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-03-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
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.
Affected configurations
• dlink dir-645 firmware 1.03
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/luqiut/iot/blob/main/DIR-645%20Stack%20overflow.md Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory
- https://github.com/luqiut/iot/blob/main/DIR-645%20Stack%20overflow.md Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory