CVE-2026-2168 MEDIUM

CVE-2026-2168: D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection

Vendor D-Link
Product DWR-M921
Weakness CWE-77
Published February 8, 2026
Last update February 23, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 8, 2026 CVE published
February 23, 2026 Record updated