Tuesday 3 November
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Volt Typhoon's Silent Train network tied to Cisco SD-WAN zero-day exploitation

Severity
High
Sources
2

Lumen reports that Silent Train, a now-disrupted covert network first seen in late 2023, uses rotating chains of compromised SOHO, IoT and enterprise infrastructure and has supported four zero-day exploitation campaigns attributed to . linked key-stealing malware used against Cisco SD-WAN to infrastructure overlapping with Silent Train. The excerpts give no CVE IDs, affected versions or indicators, so defenders should consult the full Cisco Talos and Lumen reports for those. Teams running SD-WAN should review the vendor guidance and watch for traffic from compromised edge devices.

For security analysts · Written by AI from 2 sources · Wrong?

What to do

  1. Check the vendor’s advisory and install the fix as soon as it is available.

General advice for this kind of story

Full story timeline · 2 updates

  1. Wed 28 OctoberVolt Typhoon Used Covert Silent Train Network in Four Zero-Day Exploitation CampaignsThe Hacker News
  2. Thu 29 OctoberCisco SD-WAN Zero-Day Exploitation Tied to Volt Typhoon’s ‘Silent Train’ NetworkSecurityWeek

Who reported · 2 outlets

The Hacker NewsSecurityWeek

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