CVE Vulnerability

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1
Information

Published : 2022-03-31 09:15

Updated : 2022-04-08 06:33

NVD link : CVE-2021-43722

Mitre link : CVE-2021-43722

Products Affected
No products.
CWE
CWE-787