CVE Vulnerability

CVE-2021-39509

An issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.

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/doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md Exploit Third Party Advisory
https://github.com/doudoudedi/main-DIR-816_A2_Command-injection Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-08-24 07:15

Updated : 2021-09-01 12:35

NVD link : CVE-2021-39509

Mitre link : CVE-2021-39509

Products Affected
No products.
CWE
CWE-77