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Public proof of concept

CVE-2026-2061

D-Link DIR-823X set_ipv6 sub_424D20 os command injection

A public proof of concept exists; no exploitation attested.

  • Published2026-02-06
  • WeaknessCWE-77 · CWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was determined in D-Link DIR-823X 250416. Affected by this issue is the function sub_424D20 of the file /goform/set_ipv6. Executing a manipulation can lead to os command injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

Timeline

dates in UTC
  1. 2026-02-0618:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-2061?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-2061?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dlink dir-823x firmwareversion to verify
BranchAffectedFixed in
250416.x= 250416no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionpoc2026-02-06
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.02read 2026-10-23
  • CNACVSS 3.14.7read 2026-10-23
  • NVDCVSS 3.17.2read 2026-10-23
  • CNACVSS 2.05.8read 2026-10-23
  • CNAweakness (CWE)CWE-77, CWE-78read 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score5.1 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-02-06
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-2061?

A vulnerability was determined in D-Link DIR-823X 250416. Affected by this issue is the function sub_424D20 of the file /goform/set_ipv6. Executing a manipulation can lead to os command injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

Is CVE-2026-2061 actively exploited?

A proof-of-concept exploit exists for CVE-2026-2061, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-2061?

CVE-2026-2061 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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