DVR-4216 - RCE (CVE-2024-3721)
Description
A vulnerability was found in TBK DVR-4104 and DVR-4216 up to 20240412 and classified as critical. This issue affects some unknown processing of the file /device.rsp?opt=sys&cmd=S_O_S_T_R_E_A_MAX. The manipulation of the argument mdb/mdc leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260573 was assigned to this vulnerability.
psychologyCrowdSec Analysis
CVE-2024-3721 is a vulnerability found in certain TBK DVR devices that can allow remote attackers to perform OS command injection via crafted requests to a device management endpoint.
CrowdSec has been tracking this vulnerability and its exploits since 7th of May 2025.
CrowdSec has not observed any significant exploitation activity targeting CVE-2024-3721 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.
Observed attack attempts typically involve requests to URLs containing /device.rsp with particular command parameters.
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| Event | Date |
|---|---|
| CVE Published | 2024-04-13 |
| Rule Released | 2025-05-07 |
| CrowdSec First Seen | 2025-05-12 |