CVEvulnerability

CVE-2021-45382

9.8 CRITICAL Known exploited Published 2022-02-17 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

D-Link Multiple Routers Remote Code Execution Vulnerability — D-Link Multiple Routers

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

Added to KEV
2022-04-04
Remediation due
2022-04-25
Ransomware use
Unknown
Required action
The impacted product is end-of-life and should be disconnected if still in use.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-45382
Status
Analyzed
Published
2022-02-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-78

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.

Affected configurations

• dlink dir-820l firmware • dlink dir-820lw firmware • dlink dir-826l firmware • dlink dir-830l firmware • dlink dir-836l firmware • dlink dir-810l firmware

Related

Weakness · CWE (1)

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References