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Nexcorium-Associated Mirai Variant Uses TBK DVR Exploit to Scale Botnet Operations

📅 18 April 2026 at 08:42 UTC📰 Cyber Security NewsView original source ↗
Nexcorium-Associated Mirai Variant Uses TBK DVR Exploit to Scale Botnet Operations

A new iteration of the notorious Mirai botnet, dubbed Nexcorium, has emerged in the wild, aggressively targeting internet-connected video recording devices. According to recent threat research published by Fortinet’s FortiGuard Labs, threat actors are exploiting a known command injection vulnerability to hijack TBK DVR systems and construct a large-scale Distributed Denial-of-Service (DDoS) botnet. Fortinet researchers […] The post Nexcorium-Associated Mirai Variant Uses TBK DVR Exploit to Scale Botnet Operations appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A new Mirai variant, Nexcorium, is exploiting a TBK DVR vulnerability to hijack internet-connected video recording devices and construct a large-scale DDoS botnet.

⚙️Technical Details
Affected Systems
TBK DVR systems
Attack Vectors
command injection vulnerability
💥Impact Assessment
Severity: High
🛡️Recommended Actions
1Regularly update and patch TBK DVR systems with the latest security patches
2Implement network segmentation to isolate video recording devices from the internet
3Monitor for suspicious activity on TBK DVR systems and report any anomalies
📦Affected Products
TBK DVR systems

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