CVE-2026-2085

D-Link DWR-M921 USSD Configuration Endpoint formUSSDSetup sub_419F20 command injection

Published Feb 7, 2026 CVSS 4.0 · 8.6 High EPSS 10.5% KEV · Not listed
Description
A security vulnerability has been detected in D-Link DWR-M921 1.1.50. Affected is the function sub_419F20 of the file /boafrm/formUSSDSetup of the component USSD Configuration Endpoint. The manipulation of the argument ussdValue leads to command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

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
Type Values Removed Values Added
First Time appeared D-link
D-link dwr-m921
Vendors & Products D-link
D-link dwr-m921
Type Values Removed Values Added
Description A security vulnerability has been detected in D-Link DWR-M921 1.1.50. Affected is the function sub_419F20 of the file /boafrm/formUSSDSetup of the component USSD Configuration Endpoint. The manipulation of the argument ussdValue leads to command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.
Title D-Link DWR-M921 USSD Configuration Endpoint formUSSDSetup sub_419F20 command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 8.3, 'vector': 'AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 23, 2026, 9:32 AM
Reserved
Feb 6, 2026, 8:20 AM
Status
Analyzed
Published
Feb 7, 2026, 12:15 PM
Modified
Jun 17, 2026, 10:30 AM