AEGLIX vulnerability intelligence
CVE-2021-45382
CRITICAL · CVSS 9.8 · Analyzed
Published: 2022-02-17 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- D-Link · Multiple Routers
- Added to catalog
- 2022-04-04
- Required action
- The impacted product is end-of-life and should be disconnected if still in use.
- CISA remediation due date
- 2022-04-25
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:dlink:dir-820l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-820lw_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-826l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-830l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-836l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-810l_firmware:-:*:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
Exploit · Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
Vendor Advisory
- https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
Exploit · Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382
US Government Resource