SonicWall SMA Devices 0-Day RCE Vulnerability Exploited to Deploy OVERSTEP Ransomware

SonicWall’s end-of-life SMA 100 series appliances are again on the front line after investigators unearthed a covert campaign that couples a suspected zero-day remote-code-execution flaw with a sophisticated backdoor called OVERSTEP. The operation, attributed to the financially motivated group UNC6148, first steals administrator credentials and one-time-password seeds, then pivots to full device compromise before exfiltrating […]

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