Your Asus router may be compromised - here's how to tell and what to do
Published on: 2025-06-15 12:55:25
Elyse Betters Picaro / ZDNET
Do you own an Asus router? If so, your device may have been one of thousands compromised in a large campaign waged by cybercriminals looking to exploit it. In a blog post published Wednesday, security firm GreyNoise revealed that the attack was staged by what it suggests is "a well-resourced and highly capable adversary."
Also: Massive data breach exposes 184 million passwords for Google, Microsoft, Facebook, and more
To gain initial access, the attackers used brute-force login techniques and two different methods to bypass the built-in authentication. They've also been able to exploit certain vulnerabilities not yet assigned official CVE numbers. Once they'd accessed the router, they were able to run arbitrary system commands by exploiting a known security flaw identified as CVE-2023-39780.
Though no malware was actually installed, the attackers certainly left their mark.
More than 9,000 Asus routers affected
By using built-in Asus settings, they wer
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