CVE-2025-55581
BaseFortify
Publication date: 2025-08-22
Last updated on: 2025-09-12
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dlink | dcs-825l_firmware | to 1.08.01 (inc) |
| dlink | dcs-825l | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
| CWE-269 | The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. |
| CWE-494 | The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the D-Link DCS-825L firmware (version 1.08.01 and possibly earlier) within the mydlink-watch-dog.sh script. The script is responsible for monitoring and restarting two binaries, 'dcp' and 'signalc', but it does not verify their integrity, origin, or permissions. An attacker who gains filesystem access (for example, through UART or by modifying the firmware) can replace these binaries with malicious versions. This allows the attacker to execute arbitrary code persistently with root privileges on the device.
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker with filesystem access to execute arbitrary code with root privileges persistently on the affected device. This could lead to full control over the device, unauthorized access to data, disruption of device functionality, and potentially using the device as a foothold for further attacks within a network.