VULNERABILITY INTELLIGENCE

CVE-2021-45382

CVSS score9.8 CRITICAL

EPSS probability97.84%

CISA KEVKnown exploited vulnerability

Published2022-02-17

Last modified2026-06-17

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

Known Exploited Vulnerability

D-Link Multiple Routers Remote Code Execution Vulnerability

Vendor / product: D-Link / Multiple Routers

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.

Weakness classification

nvd@nist.gov: CWE-78
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-78

Primary references

cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource