CVE-2024-3721

medium

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.

References

https://securityaffairs.com/189569/malware/rondodox-botnet-expands-arsenal-targeting-174-flaws-and-hits-15000-daily-exploit-attempts.html

https://securityaffairs.com/186386/uncategorized/react2shell-under-attack-rondodox-botnet-spreads-miners-and-malware.html

https://cydome.io/cydome-identifies-broadside-a-new-mirai-botnet-variant-targeting-maritime-iot/

https://securityaffairs.com/185135/malware/new-mirai-variant-shadowv2-tests-iot-exploits-amid-aws-disruption.html

https://www.theregister.com/2025/11/26/miraibased_botnet_shadowv2/

https://www.bleepingcomputer.com/news/security/new-shadowv2-botnet-malware-used-aws-outage-as-a-test-opportunity/

https://www.infosecurity-magazine.com/news/php-servers-and-iot-devices-cyber/

https://thehackernews.com/2025/10/experts-reports-sharp-increase-in.html

https://www.securityweek.com/rondodox-botnet-takes-exploit-shotgun-approach/

https://securityaffairs.com/183183/malware/rondodox-botnet-targets-56-flaws-across-30-device-types-worldwide.html

https://thehackernews.com/2025/07/rondodox-botnet-exploits-flaws-in-tbk.html

https://securityaffairs.com/178830/malware/mirai-botnets-exploit-wazuh-rce-akamai-warned.html

https://www.securityweek.com/mirai-botnets-exploiting-wazuh-security-platform-vulnerability/

https://thehackernews.com/2025/06/botnet-wazuh-server-vulnerability.html

https://securityaffairs.com/178779/malware/new-mirai-botnet-targets-tbk-dvrs-by-exploiting-cve-2024-3721.html

https://www.bleepingcomputer.com/news/security/new-mirai-botnet-infect-tbk-dvr-devices-via-command-injection-flaw/

https://securelist.com/mirai-botnet-variant-targets-dvr-devices-with-cve-2024-3721/116742/

https://github.com/netsecfish/tbk_dvr_command_injection

Details

Source: Mitre, NVD

Published: 2024-04-13

Updated: 2024-05-17

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

EPSS

EPSS: 0.8494