CVE-2021-45382 — CRITICAL (9.8)

Vulnerability Description

A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note: DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, all hardware revisions, have reached their End of Life ("EOL") /End of Service Life ("EOS") Life-Cycle and as such this issue will not be patched.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dir-820L Firmware	-
Dlink	Dir-820L	-
Dlink	Dir-820Lw Firmware	-
Dlink	Dir-820Lw	-
Dlink	Dir-826L Firmware	-
Dlink	Dir-826L	-
Dlink	Dir-830L Firmware	-
Dlink	Dir-830L	-
Dlink	Dir-836L Firmware	-
Dlink	Dir-836L	-
Dlink	Dir-810L Firmware	-
Dlink	Dir-810L	-

Related Weaknesses (CWE)

CWE-78

References

https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_CommandExploitThird Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_CommandExploitThird Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource

FAQ

What is CVE-2021-45382?

CVE-2021-45382 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note...

How severe is CVE-2021-45382?

CVE-2021-45382 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-45382?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-820L Firmware, Dlink Dir-820L, Dlink Dir-820Lw Firmware, Dlink Dir-820Lw, Dlink Dir-826L Firmware.