Critical severity · published Mar 30, 2021
CVE-2021-26810
D-link DIR-816 A2 v1.10 is affected by a remote code injection vulnerability
9.8
CVSS
4.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.9% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-816 Firmware · Dlink
1.10b05 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26810
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26810
Exploit
https://github.com/GD008/vuln/blob/main/DIR-816.md
Vendor Advisory
https://www.dlink.com/en/security-bulletin/
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