CVE-2022-40946

highpriority · track · 43EPSS 0.075 · 94 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

7.52% (94th) EPSS

CVSS 7.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-24

On D-Link DIR-819 Firmware Version 1.06 Hardware Version A1 devices, it is possible to trigger a Denial of Service via the sys_token parameter in a cgi-bin/webproc?getpage=html/index.html request.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-404US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-51053DLink DIR 819 A1 - Denial of ServicePoC · exploit_db

affected products (4)

Products and version ranges known to be affected.

D-LINK Router DIR 819all versionscert_bundDEcpe:/h:d-link:router:dir_819_1.06
n/a n/a≤ n/aenisa_euvdEU
D-Link Corp. DIR-819≤ 1.06fstec_bduRU
dlink dir-819 firmware= 1.06nvdUScpe:2.3:o:dlink:dir-819_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0977D-LINK DIR 819 Router: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-04-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in D-LINK DIR 819 A1 Routern ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-04-16modified 2026-06-17

references (11)

External citations — patches, advisories, analysis.

scry

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