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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
D-link
  • Dwr-m921
Dlink
  • Dwr-m921
  • Dwr-m921 Firmware

Configuration 1 [-]

AND
cpe:2.3:o:dlink:dwr-m921_firmware:1.1.50:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dwr-m921:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://www.spirityenterprise.com/pentest spirity
https://github.com/LX-66-LX/cve-new/issues/2 cve-icon cve-icon
https://vuldb.com/?ctiid.344870 cve-icon cve-icon
https://vuldb.com/?id.344870 cve-icon cve-icon
https://vuldb.com/?submit.748838 cve-icon cve-icon
https://www.dlink.com/ cve-icon cve-icon
History

Wed, 11 Feb 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Dlink
Dlink dwr-m921
Dlink dwr-m921 Firmware
CPEs cpe:2.3:h:dlink:dwr-m921:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dwr-m921_firmware:1.1.50:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dwr-m921
Dlink dwr-m921 Firmware

Mon, 09 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 09 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared D-link
D-link dwr-m921
Vendors & Products D-link
D-link dwr-m921

Sun, 08 Feb 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
Title D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-09T21:12:26.592Z

Reserved: 2026-02-07T10:31:19.129Z

Link: CVE-2026-2168

cve-icon Vulnrichment

Updated: 2026-02-09T21:12:22.220Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-08T18:15:48.290

Modified: 2026-02-11T18:42:45.187

Link: CVE-2026-2168

cve-icon Redhat

No data.