CRITICAL

CVE-2021-26810

CVSS v3

9.8

CRITICAL

EPSS Score

34.3%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical details

Published
3/30/2021

Frequently asked questions

What is 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.

Is CVE-2021-26810 actively exploited?

Active exploitation of CVE-2021-26810 has not been confirmed. The EPSS score is 34.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-26810?

CVE-2021-26810 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-26810 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.