Security AlertHigh
Synology warns of ransomware attacks on NAS devices
Nov 2, 2026 · Summarized by Fundy Tech from BleepingComputer
The 30-second version
Synology says attackers are targeting NAS devices running outdated DSM software. The company is urging users to update now and turn on automatic updates.
Key points
- Synology linked the attacks to a vulnerability patched in December 2024.
Why it matters
A NAS often holds family photos, business files and backups. If it is exposed and out of date, ransomware can encrypt that data and interrupt work or recovery.
Who’s affected: Synology NAS devices running outdated DSM
What to do
- Update DSM immediately.
- Enable automatic updates.
- Block Internet access to the management web interface.
Vulnerability IDs
Original reporting
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