Which versions of D-Link are affected by CVE-2026-1544?

Organizations using A security flaw should be aware of moderate risk from CVE-2026-1544, a command injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-1544?

Yes, a public proof-of-concept exploit is available for CVE-2026-1544. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-1544?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

D-Link CVE-2026-1544

Q: What is the CVSS score of CVE-2026-1544?

CVE-2026-1544 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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. EPSS exploitation probability: 0.1%.

LOW

Command Injection (CWE-77)

2026-01-28 cna@vuldb.com

Command Injection D-Link

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 09, 2026 - 17:06 vuln.today

Public exploit code

CVE Published

Jan 28, 2026 - 22:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

AnalysisAI

D-Link DIR-823X routers are vulnerable to remote command injection through the lan_gateway parameter in the /goform/set_mode function, allowing authenticated attackers to execute arbitrary OS commands. Public exploit code is available for this vulnerability, and affected devices are no longer receiving security updates from the vendor. The attack requires network access and valid credentials but has a low CVSS score of 6.3 due to limited impact scope.

Technical ContextAI

Classified as CWE-77 (Command Injection). Affects Dir-823X Firmware. A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.