D-Link DWR-M920 up to 1.1.50 formLtefotaUpgradeFibocom sub_4155B4 fota_url command injection

Summaryinfo

A vulnerability classified as critical was found in D-Link DWR-M920 up to 1.1.50. The impacted element is the function sub_4155B4 of the file /boafrm/formLtefotaUpgradeFibocom. Such manipulation of the argument fota_url leads to command injection. This vulnerability is documented as CVE-2025-15191. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in D-Link DWR-M920 up to 1.1.50 and classified as critical. Affected by this issue is the function sub_4155B4 of the file /boafrm/formLtefotaUpgradeFibocom. The manipulation of the argument fota_url with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-15191. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/31/2025). The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-205586). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• D-Link

Name

• DWR-M920

Version

• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7
• 1.1.8
• 1.1.9
• 1.1.10
• 1.1.11
• 1.1.12
• 1.1.13
• 1.1.14
• 1.1.15
• 1.1.16
• 1.1.17
• 1.1.18
• 1.1.19
• 1.1.20
• 1.1.21
• 1.1.22
• 1.1.23
• 1.1.24
• 1.1.25
• 1.1.26
• 1.1.27
• 1.1.28
• 1.1.29
• 1.1.30
• 1.1.31
• 1.1.32
• 1.1.33
• 1.1.34
• 1.1.35
• 1.1.36
• 1.1.37
• 1.1.38
• 1.1.39
• 1.1.40
• 1.1.41
• 1.1.42
• 1.1.43
• 1.1.44
• 1.1.45
• 1.1.46
• 1.1.47
• 1.1.48
• 1.1.49
• 1.1.50

License

• commercial

Website

• Vendor: https://www.dlink.com/

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Submitinfo

Accepted

• Submit #723554: D-Link DWR-M920 V1.1.50 Command Injection (by panda_0x1)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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