CVE-2024-3721
TBK DVR-4104/DVR-4216 os command injection
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.
INFO
Published Date :
April 13, 2024, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 9:30 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2024-3721
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Public PoC/Exploit Available at Github
CVE-2024-3721 has a 11 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-3721.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-3721 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-3721
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
POC on how mirai can target " CVE-2024-3721 " { TBK DVR-4104 and DVR-4216 }
Go
备份的漏洞库，3月开始我们来维护
None
CVE POC repo 자동 수집기
Python
None
None
HTML
wy876
Python
wy876 POC | wy876的poc仓库已删库，该项目为其仓库镜像
备份的漏洞库，3月开始我们来维护
漏洞文库 wiki.wy876.cn
HTML
Data-Shield IPv4 Blocklist provides an additional layer of security to reduce the number and attack surface of your exposed assets (web applications, websites, DMZs, public IPs, etc.), reducing the recon phase and exposure, etc.
botnets ddos ipv4 malware ipaddresses malicious cyber-threat-intelligence cybersecurity attack-detection dnssinkhole firewall firewall-configuration firewall-rules network network-security web webapplicationfirewall blacklist-ips blocklist
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-3721 vulnerability anywhere in the article.
-
The Hacker News
Experts Reports Sharp Increase in Automated Botnet Attacks Targeting PHP Servers and IoT Devices
Oct 29, 2025Ravie LakshmananVulnerability / Internet of Things Cybersecurity researchers are calling attention to a spike in automated attacks targeting PHP servers, IoT devices, and cloud gateways ... Read more
-
CybersecurityNews
RondoDox Botnet Exploits 50+ Vulnerabilities to Attack Routers, CCTV Systems and Web Servers
Since its emergence in early 2025, RondoDox has rapidly become one of the most pervasive IoT-focused botnets in operation, targeting a wide range of network-connected devices—from consumer routers to ... Read more
-
Daily CyberSecurity
RondoDox Botnet Unleashed: New Malware Uses ‘Exploit Shotgun’ to Target 50+ Router and IoT Flaws
Trend Micro has uncovered a rapidly expanding botnet campaign dubbed RondoDox, which is targeting a wide spectrum of internet-exposed devices — from routers and DVRs to CCTV systems and industrial net ... Read more
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The Register
RondoDox botnet fires 'exploit shotgun' at nearly every router and internet-connected home device
A new RondoDox botnet campaign uses an "exploit shotgun" - fire at everything, see what hits - to target 56 vulnerabilities across at least 30 different vendors' routers, DVRs, CCTV systems, web serve ... Read more
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BleepingComputer
RondoDox botnet targets 56 n-day flaws in worldwide attacks
A new large-scale botnet called RondoDox is targeting 56 vulnerabilities in more than 30 distinct devices, including flaws first disclosed during Pwn2Own hacking competitions. The attacker focuses on ... Read more
-
Trend Micro
RondoDox: From Targeting Pwn2Own Vulnerabilities to Shotgunning Exploits
Cyber Threats Trend™ Research and ZDI Threat Hunters have identified a large-scale RondoDox botnet campaign exploiting over 50 vulnerabilities across more than 30 vendors, including flaws first seen i ... Read more
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Kaspersky
Evolution of the PipeMagic backdoor: from the RansomExx incident to CVE-2025-29824
In April 2025, Microsoft patched 121 vulnerabilities in its products. According to the company, only one of them was being used in real-world attacks at the time the patch was released: CVE-2025-29824 ... Read more
-
Kaspersky
Driver of destruction: How a legitimate driver is being used to take down AV processes
Introduction In a recent incident response case in Brazil, we spotted intriguing new antivirus (AV) killer software that has been circulating in the wild since at least October 2024. This malicious ar ... Read more
-
Kaspersky
ToolShell: a story of five vulnerabilities in Microsoft SharePoint
On July 19–20, 2025, various security companies and national CERTs published alerts about active exploitation of on-premise SharePoint servers. According to the reports, observed attacks did not requi ... Read more
-
The Hacker News
RondoDox Botnet Exploits Flaws in TBK DVRs and Four-Faith Routers to Launch DDoS Attacks
Cybersecurity researchers are calling attention to a malware campaign that's targeting security flaws in TBK digital video recorders (DVRs) and Four-Faith routers to rope the devices into a new botnet ... Read more
-
The Hacker News
RondoDox Botnet Exploits Flaws in TBK DVRs and Four-Faith Routers to Launch DDoS Attacks
Cybersecurity researchers are calling attention to a malware campaign that's targeting security flaws in TBK digital video recorders (DVRs) and Four-Faith routers to rope the devices into a new botnet ... Read more
-
Daily CyberSecurity
RondoDox: Sophisticated Botnet Exploits TBK DVRs & Four-Faith Routers for DDoS Attacks
RondoDox downloader shell script | Image: FortiGuard Labs FortiGuard Labs has uncovered a stealthy and highly adaptive botnet dubbed RondoDox, which is actively exploiting two critical vulnerabilities ... Read more
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The Register
Critical Wazuh bug exploited in growing Mirai botnet infection
Cybercriminals are trying to spread multiple Mirai variants by exploiting a critical Wazuh vulnerability, researchers say – the first reported active attacks since the code execution bug was disclosed ... Read more
-
The Hacker News
Two Distinct Botnets Exploit Wazuh Server Vulnerability to Launch Mirai-Based Attacks
A now-patched critical security flaw in the Wazur Server is being exploited by threat actors to drop two different Mirai botnet variants and use them to conduct distributed denial-of-service (DDoS) at ... Read more
-
security.nl
Digitale videorecorders TBK aangevallen door Mirai-botnet
Digitale videorecorders van fabrikant TBK zijn het doelwit van een variant van de Mirai-malware, die besmette apparaten onderdeel maakt van een botnet. Dat laat antivirusbedrijf Kaspersky in een analy ... Read more
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Daily CyberSecurity
CVE-2025-4318 (CVSS 9.5): AWS Amplify RCE Flaw Exposed with PoC – CI/CD Pipelines at Risk
Image: SecureLayer7 A critical vulnerability in AWS Amplify’s UI generation tool, @aws-amplify/codegen-ui, is putting developers—and their build pipelines—at serious risk. Tracked as CVE-2025-4318, th ... Read more
-
The Register
US infrastructure could crumble under cyberattack, ex-NSA advisor warns
Infosec in Brief If a cyberattack hit critical infrastructure in the US, it would likely crumble, former deputy national security adviser and NSA cybersecurity director Anne Neuberger said last week. ... Read more
-
BleepingComputer
New Mirai botnet infect TBK DVR devices via command injection flaw
A new variant of the Mirai malware botnet is exploiting a command injection vulnerability in TBK DVR-4104 and DVR-4216 digital video recording devices to hijack them. The flaw, tracked under CVE-2024- ... Read more
-
Daily CyberSecurity
New Mirai Botnet Variant Targets DVR Systems via CVE-2024-3721
Kaspersky researchers have uncovered a fresh wave of attacks exploiting CVE-2024-3721 to deploy a revamped variant of the notorious Mirai botnet — and this time, the target is a vulnerable class of DV ... Read more
-
Kaspersky
Analysis of the latest Mirai wave exploiting TBK DVR devices with CVE-2024-3721
The abuse of known security flaws to deploy bots on vulnerable systems is a widely recognized problem. Many automated bots constantly search the web for known vulnerabilities in servers and devices co ... Read more
The following table lists the changes that have been made to the
CVE-2024-3721 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/netsecfish/tbk_dvr_command_injection Added Reference https://vuldb.com/?ctiid.260573 Added Reference https://vuldb.com/?id.260573 Added Reference https://vuldb.com/?submit.314969 -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Received by [email protected]
Apr. 13, 2024
Action Type Old Value New Value Added 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. Added Reference VulDB https://vuldb.com/?id.260573 [No types assigned] Added Reference VulDB https://vuldb.com/?ctiid.260573 [No types assigned] Added Reference VulDB https://vuldb.com/?submit.314969 [No types assigned] Added Reference VulDB https://github.com/netsecfish/tbk_dvr_command_injection [No types assigned] Added CWE VulDB CWE-78 Added CVSS V2 VulDB (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3.1 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L