New botnet hijacks D-Link routers to funnel malicious traffic

Researchers have uncovered a botnet named AryStinger that has silently taken control of thousands of outdated D-Link routers worldwide. The malware transforms these devices into proxies, allowing cybercriminals to route malicious traffic through compromised networks. With more than 4,000 infections already reported, the botnet poses a growing threat to both home and small-business networks.

A stealthy takeover of vulnerable devices

AryStinger exploits outdated firmware and weak security settings on D-Link routers to gain access. Once inside, it repurposes the devices as proxies, masking the origin of attacks such as phishing campaigns, credential theft, and other illicit activities. The botnet operates discreetly, avoiding detection while expanding its reach.

Why outdated routers are a prime target

Many users neglect to update their router firmware, leaving known vulnerabilities unpatched. AryStinger preys on this oversight, infiltrating devices that remain exposed to public exploits. The botnet’s ability to persist undetected highlights the risks of unmanaged network infrastructure, especially in environments where security updates are overlooked.

Protecting your network from silent infiltrations

Experts recommend regularly updating router firmware and changing default credentials to mitigate such threats. Disabling remote management features and using strong, unique passwords can further reduce exposure. Network administrators should also monitor traffic patterns for unusual activity, as early detection remains key to preventing botnet-driven attacks.

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Source: BleepingComputer. AI-assisted editorial synthesis — TechnoExpress.