CVE-2021-26810

D-link DIR-816 A2 v1.10 is affected by a remote code injection vulnerability. An HTTP request parameter can be used in command string construction in the handler function of the /goform/dir_setWanWifi, which can lead to command injection via shell metacharacters in the statuscheckpppoeuser parameter.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/GD008/vuln/blob/main/DIR-816.md	Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-816_firmware:1.10b05:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-816:a2:*:*:*:*:*:*:*

History

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-94~~	CWE-78

06 Apr 2021, 15:21

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8
CWE		CWE-94
CPE		cpe:2.3:o:dlink:dir-816_firmware:1.10b05:::::::* cpe:2.3:h:dlink:dir-816:a2:::::::*
References	~~(MISC) https://github.com/GD008/vuln/blob/main/DIR-816.md -~~	(MISC) https://github.com/GD008/vuln/blob/main/DIR-816.md - Exploit, Third Party Advisory
References	~~(MISC) https://www.dlink.com/en/security-bulletin/ -~~	(MISC) https://www.dlink.com/en/security-bulletin/ - Vendor Advisory

30 Mar 2021, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-03-30 14:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-26810

Mitre link : CVE-2021-26810

CVE.ORG link : CVE-2021-26810

JSON object : View

Products Affected

dlink

dir-816_firmware
dir-816

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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