Is CVE-2021-45382 actively exploited?

Yes. CVE-2021-45382 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-45382 be exploited remotely?

The attack vector of CVE-2021-45382 has not been classified yet.

What is the CVSS score of CVE-2021-45382?

CVE-2021-45382 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-45382

HIGHCISA KEVIN THE WILD

CVE-2021-45382

Published: April 4, 2022

EPSS:94.23%probability of exploitation in 30 daysPercentile:99.9th

Official Description

A remote code execution vulnerability exists in all series H/W revisions routers via the DDNS function in ncc2 binary file.

NVD Source

CISA KEV Advisory

D-Link Multiple Routers Remote Code Execution Vulnerability

A remote code execution vulnerability exists in all series H/W revisions routers via the DDNS function in ncc2 binary file.

Added to KEV: 2022-04-04Federal patch deadline: 2022-04-25

Required Action (CISA)

The impacted product is end-of-life and should be disconnected if still in use.

Risk Analysis

A remote code execution vulnerability exists in all series H/W revisions routers, specifically within the DDNS function of the ncc2 binary file. The high EPSS score of 0.94230 suggests a strong likelihood of exploitation. This vulnerability is confirmed to be actively exploited, as listed in the CISA KEV catalog.

This vulnerability is actively exploited in the wild. Remote code execution can be achieved via the DDNS function.

Recommended Action

Apply the latest firmware updates for affected routers. If possible, restrict access to the DDNS function or disable it if not in use.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-45382 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-45382 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.