CVE-2021-45382

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.978 · 100 %ileEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

97.8% (100th) EPSS

CVSS 10 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-04-04remediate by 2022-04-25

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

EPSS · scored 2026-10-24

D-Link Multiple Routers Remote Code Execution Vulnerability

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-78US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

affected products (12)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
D-Link Corp. DIR-810lall versionsfstec_bduRU
D-Link Corp. DIR-820L LWall versionsfstec_bduRU
D-Link Corp. DIR-826lall versionsfstec_bduRU
D-Link Corp. DIR-830lall versionsfstec_bduRU
D-Link Corp. DIR-836lall versionsfstec_bduRU
dlink dir-810l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-810l_firmware:*:*:*:*:*:*:*:*
dlink dir-820l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-820l_firmware:*:*:*:*:*:*:*:*
dlink dir-820lw firmwareall versionsnvdUScpe:2.3:o:dlink:dir-820lw_firmware:*:*:*:*:*:*:*:*
dlink dir-826l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-826l_firmware:*:*:*:*:*:*:*:*
dlink dir-830l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-830l_firmware:*:*:*:*:*:*:*:*
dlink dir-836l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-836l_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-02-17modified 2026-06-17

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references (9)

External citations — patches, advisories, analysis.

scry

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