| Title | D-Link DWR-M921 V1.1.50 Command Injection |
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| Description | During a security review of the D-Link DWR-M921 router firmware, a critical command injection vulnerability was identified in the `/bin/boa` binary)..
The issue lies in the handling of the `fota_url` parameter within the `/boafrm/formLtefotaUpgradeFibocom` endpoint. The firmware fails to properly sanitize user-supplied input before passing it to a system command wrapper (likely via `sprintf` and `system`). This allows an authenticated attacker to inject arbitrary shell commands by appending them to the URL parameter.
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| Source | ⚠️ https://github.com/LX-66-LX/cve-new/issues/3 |
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| User | LX-66-LX (UID 92717) |
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| Submission | 01/29/2026 16:19 (3 months ago) |
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| Moderation | 02/07/2026 11:35 (9 days later) |
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| Status | Accepted |
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| VulDB entry | 344871 [D-Link DWR-M921 1.1.50 formLtefotaUpgradeFibocom fota_url command injection] |
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| Points | 20 |
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