CVE-2025-15357
Unknown Unknown - Not Provided
Remote Command Injection in D-Link DI-7400G+ /msp_info.htm

Publication date: 2025-12-30

Last updated on: 2026-04-29

Assigner: VulDB

Description
A vulnerability was found in D-Link DI-7400G+ 19.12.25A1. This affects an unknown function of the file /msp_info.htm?flag=cmd. The manipulation of the argument cmd results in command injection. The attack can be launched remotely. The exploit has been made public and could be used.
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Meta Information
Published
2025-12-30
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-14
NVD
CVE-2025-15357
EUVD
EUVD-2025-205857
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
d-link di-7400g+ 19.12.25a1
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

CVE-2025-15357 is a command injection vulnerability in the D-Link DI-7400G+ router firmware version 19.12.25A1. It occurs due to improper validation of user input in HTTP GET requests to the /msp_info.htm endpoint, specifically the flag=cmd parameter. Attackers can send specially crafted requests that inject arbitrary system-level commands remotely without authentication, exploiting the device. [1, 3]

Impact Analysis

This vulnerability allows remote attackers to execute arbitrary commands on the affected device without authentication. This can compromise the confidentiality, integrity, and availability of the router, potentially leading to unauthorized control, data exposure, or disruption of network services. [1, 3]

Detection Guidance

This vulnerability can be detected by monitoring HTTP GET requests to the endpoint `/msp_info.htm` with the parameter `flag=cmd`. Suspicious or unexpected commands in this parameter may indicate exploitation attempts. A practical detection method is to capture and analyze network traffic for requests containing `/msp_info.htm?flag=cmd` with unusual or suspicious payloads. For example, using tools like curl or wget to test the endpoint with benign and malicious payloads can help verify if the system is vulnerable. Example command to test the endpoint: `curl -v 'http://<router-ip>/msp_info.htm?flag=cmd&cmd=whoami'`. Additionally, network intrusion detection systems (NIDS) can be configured to alert on HTTP requests containing this pattern. [1, 3]

Mitigation Strategies

Immediate mitigation steps include restricting access to the affected device's management interface from untrusted networks, such as the internet, by using firewall rules or network segmentation. Since no known countermeasures or patches are available, it is recommended to replace the affected D-Link DI-7400G+ device with an alternative product. Monitoring for exploitation attempts and disabling remote management if possible can also reduce risk. [3]

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