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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.

PUBLISHED Reserved 2026-02-06 | Published 2026-02-07 | Updated 2026-02-23 | Assigner VulDB




HIGH: 8.6CVSS: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
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.3AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

1.1.50
affected

Timeline

2026-02-06:Advisory disclosed
2026-02-06:VulDB entry created
2026-02-09:VulDB entry last update

Credits

LX-66-LX (VulDB User) reporter

References

vuldb.com/?id.344652 (VDB-344652 | D-Link DWR-M921 USSD Configuration Endpoint formUSSDSetup sub_419F20 command injection) vdb-entry technical-description

vuldb.com/?ctiid.344652 (VDB-344652 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.746400 (Submit #746400 | D-Link DWR-M921 V1.1.50 Command Injection) third-party-advisory

github.com/LX-66-LX/cve-new/issues/1 issue-tracking

github.com/LX-66-LX/cve-new/issues/1 exploit issue-tracking

www.dlink.com/ product

cve.org (CVE-2026-2085)

nvd.nist.gov (CVE-2026-2085)

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