Which versions of D-Link are affected by CVE-2026-2168?

Organizations using A flaw should be aware of moderate risk from CVE-2026-2168, a injection vulnerability rated CVSS 6.3. Exploitation could allow attackers to execute code or inject malicious input.

Is there a public PoC exploit available for CVE-2026-2168?

Yes, a public proof-of-concept exploit is available for CVE-2026-2168. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-2168?

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-2026-2168

Q: What is the CVSS score of CVE-2026-2168?

CVE-2026-2168 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

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-02-08 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 - 21:55 vuln.today

PoC Detected

Feb 11, 2026 - 18:42 vuln.today

Public exploit code

CVE Published

Feb 08, 2026 - 18:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A flaw has been found in D-Link DWR-M921 1.1.50. This affects the function sub_419920 of the file /boafrm/formLtefotaUpgradeQuectel. This manipulation of the argument fota_url causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.

AnalysisAI

D-Link DWR-M921 firmware versions up to 1.1.50 contain a command injection vulnerability in the LTE firmware update function that allows authenticated remote attackers to execute arbitrary commands via a manipulated fota_url parameter. Public exploit code is available for this vulnerability, and no patch is currently available. An attacker with network access and valid credentials could achieve remote code execution on affected devices.

Technical ContextAI

Affects Dwr-M921 Firmware. A flaw has been found in D-Link DWR-M921 1.1.50. This affects the function sub_419920 of the file /boafrm/formLtefotaUpgradeQuectel. This manipulation of the argument fota_url causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.