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Feiniu NAS Devices Hit in Massive Netdragon Botnet Attack Exploiting Unpatched Vulnerabilities

Gbhackers •Mayura Kathir • February 12, 2026

Feiniu fnOS network-attached storage (NAS) devices have been pulled into a large Netdragon botnet after attackers exploited still-unpatched vulnerabilities, turning and small‑business storage into infrastructure for DDoS attacks. The malware opens an HTTP backdoor on port 57132, letting attackers run arbitrary system commands remotely via crafted GET requests to the /api path. Using traffic fingerprints from […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Feiniu NAS Devices Compromised in Netdragon Botnet Attack Feiniu (fnOS) Network Attached Storage devices are being targeted by the Netdragon botnet, which exploits unpatched vulnerabilities in the fnOS platform. This attack allows the malware to create an HTTP backdoor on port 57132, enabling remote command execution through crafted GET requests. Small businesses using these devices are particularly affected as their storage systems are repurposed for DDoS attacks. 2 sources 40

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Feiniu NAS Devices Hit in Massive Netdragon Botnet Attack Exploiting Unpatched Vulnerabilities

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Attack Types (1)

Companies (1)

Malware (1)

MITRE ATT&CK (3)

Platforms (1)