Which versions of D-Link are affected by CVE-2026-2063?

Organizations using A security flaw should be aware of moderate risk from CVE-2026-2063, a command injection vulnerability rated CVSS 4.7.

Is there a public PoC exploit available for CVE-2026-2063?

Yes, a public proof-of-concept exploit is available for CVE-2026-2063. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2026-2063?

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-2026-2063

Q: What is the CVSS score of CVE-2026-2063?

CVE-2026-2063 has a CVSS 4.0 base score of 2.0 (Low). CVSS 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. EPSS exploitation probability: 0.2%.

LOW

Command Injection (CWE-77)

2026-02-06 cna@vuldb.com

Command Injection D-Link

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.7 (MEDIUM) 2.0 (LOW)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 11, 2026 - 19:00 vuln.today

Public exploit code

CVE Published

Feb 06, 2026 - 19:16 nvd

MEDIUM 4.7

DescriptionCVE.org

A security flaw has been discovered in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/set_ac_server of the component Web Management Interface. The manipulation of the argument ac_server results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

D-Link DIR-823X routers are vulnerable to remote command injection through the Web Management Interface's /goform/set_ac_server endpoint, allowing unauthenticated attackers to execute arbitrary OS commands. Public exploit code exists for this vulnerability, increasing the risk of active exploitation. A patch is not currently available, leaving affected devices exposed until remediation.

Technical ContextAI

Classified as CWE-77 (Command Injection). Affects Dir-823X Firmware. A security flaw has been discovered in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/set_ac_server of the component Web Management Interface. The manipulation of the argument ac_server results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.