Remote Command Execution Vulnerability in D-Link Routers
CVE-2021-45382

9.8CRITICAL

Key Information:

Vendor
D-Link
Status
Dir-820l Firmware
Vendor
CVE Published:
17 February 2022

Badges

👾 Exploit Exists🟣 EPSS 97%🦅 CISA Reported

Summary

A security flaw has been identified in the D-Link DIR series routers that allows remote command execution via the Dynamic Domain Name System (DDNS) function. Affected models include DIR-810L, DIR-820L, DIR-826L, DIR-830L, and DIR-836L across all hardware revisions. These devices have reached their End of Life (EOL) status, which means they will not receive patches or updates to mitigate this vulnerability. Users are strongly advised to consider replacing their devices to maintain network security.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: The impacted product is end-of-life and should be disconnected if still in use.

References

https://supportannouncement.us.dlink.com/announcement/pub...
x_refsource_MISC
https://github.com/doudoudedi/D-LINK_Command_Injection1/b...
x_refsource_MISC

EPSS Score

97% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.