CVE-2021-45382
D-Link Multiple Routers Remote Code Execution Vulnerability
MITRE ATT&CK techniques
How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.
| Technique | Name | Relationship |
|---|---|---|
| T1190 | Exploit Public-Facing Application | exploitation technique |
| T1059 | Command and Scripting Interpreter | primary impact |
| T1070 | Indicator Removal | secondary impact |
| T1071 | Application Layer Protocol | secondary impact |
| T1499.002 | Service Exhaustion Flood | secondary impact |
| T1543 | Create or Modify System Process | secondary impact |
Summary
A remote code execution vulnerability exists in all series H/W revisions routers via the DDNS function in ncc2 binary file.
Affected software
Vendor: D-Link · Product: Multiple Routers
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in D-Link
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2024-3273 | D-Link Multiple NAS Devices Command Injection Vulnerability | 100.0% | Yes |
| CVE-2019-16920 | D-Link Multiple Routers Command Injection Vulnerability | 100.0% | Yes |
| CVE-2020-25506 | D-Link DNS-320 Device Command Injection Vulnerability | 100.0% | Yes |
| CVE-2024-3272 | D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability | 98.0% | Yes |
| CVE-2023-25280 | D-Link DIR-820 Router OS Command Injection Vulnerability | 97.9% | Yes |
| CVE-2020-25078 | D-Link DCS-2530L and DCS-2670L Devices Unspecified Vulnerability | 97.7% | Yes |
| CVE-2019-20500 | D-Link DWL-2600AP Access Point Command Injection Vulnerability | 97.1% | Yes |
| CVE-2015-2051 | D-Link DIR-645 Router Remote Code Execution Vulnerability | 96.9% | Yes |
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