CVE-2025-15191
Command Injection in D-Link DWR-M920 LTE Firmware Upgrade Function
Publication date: 2025-12-29
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| d-link | dwr-m920 | 1.1.50 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-77 | The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. |
| CWE-74 | The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a command injection weakness in the D-Link DWR-M920 device up to version 1.1.50. It occurs in the function sub_4155B4 within the file /boafrm/formLtefotaUpgradeFibocom. By manipulating the argument 'fota_url', an attacker can inject and execute arbitrary commands remotely on the device.
How can this vulnerability impact me? :
The vulnerability allows remote attackers to execute arbitrary commands on the affected device, potentially leading to unauthorized control, data compromise, disruption of service, or further exploitation within the network.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection can focus on monitoring HTTP requests to the vulnerable endpoint `/boafrm/formLtefotaUpgradeFibocom` with suspicious or unusual `fota_url` parameter values that may indicate command injection attempts. Network intrusion detection systems (NIDS) or web application firewalls (WAF) can be configured to alert on requests containing shell metacharacters or command injection patterns targeting this URL. Specific commands to detect exploitation attempts are not provided in the resources. [1, 3]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include discontinuing use of the affected D-Link DWR-M920 firmware versions up to 1.1.50, as no official patches or countermeasures are available. Replacement of the affected product is suggested to avoid exploitation. Additionally, restricting network access to the vulnerable device, especially blocking external access to the `/boafrm/formLtefotaUpgradeFibocom` endpoint, and monitoring for suspicious activity can help reduce risk. [3]