D-Link DIR-823X 250416 /goform/set_mac_clone mac os command injection
Summary
A vulnerability marked as critical has been reported in D-Link DIR-823X 250416. This affects an unknown function of the file /goform/set_mac_clone. Performing a manipulation of the argument mac results in os command injection. This vulnerability is cataloged as CVE-2026-2082. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Details
A vulnerability, which was classified as critical, was found in D-Link DIR-823X 250416. This affects an unknown code of the file /goform/set_mac_clone. The manipulation of the argument mac with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-2082. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at EUVD (EUVD-2026-5731) and CERT Bund (WID-SEC-2026-0340). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Affected
- D-LINK Router
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.7
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.2
NVD Vector: 🔒
CNA Base Score: 4.7
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
02/06/2026 Advisory disclosed02/06/2026 VulDB entry created
02/10/2026 VulDB entry last update
Sources
Vendor: dlink.comAdvisory: github.com
Status: Not defined
CVE: CVE-2026-2082 (🔒)
GCVE (CVE): GCVE-0-2026-2082
GCVE (VulDB): GCVE-100-344649
EUVD: 🔒
CERT Bund: WID-SEC-2026-0340 - D-LINK DIR-823X und DWR-M921 Router: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/06/2026 09:12Updated: 02/10/2026 17:21
Changes: 02/06/2026 09:12 (56), 02/07/2026 17:01 (30), 02/08/2026 10:23 (1), 02/09/2026 14:49 (7), 02/10/2026 17:21 (11)
Complete: 🔍
Submitter: jiefengliang
Cache ID: 216::103
Submit
Accepted
- Submit #745854: dlink DIR-823X 250416 OS Command Injection (by jiefengliang)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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