Cisco SD-WAN Vulnerability Allows Hackers to Gain Root Access
First reported on bleepingcomputer on June 25, 2026.
Hackers have exploited a Cisco SD-WAN vulnerability to create fake root accounts on devices, giving them control.
What it looks like
- Fake root accounts created on devices
- Hackers gain control of devices
How to fix it
- Contact Cisco support for guidance on securing your device.
- Ask about updating your device's software to the latest version.
- Request instructions on resetting your device to factory settings if necessary.
- Follow the provided steps carefully to secure your device.
- Monitor your device for any further issues.
Affected products
- Cisco SD-WAN
Sources
- Mandiant reveals how Cisco SD-WAN zero-day attacks gained root access — rss:bleepingcomputer
Search terms covered: cisco sd wan vulnerability, hackers gain root access on devices