CVE-2013-4874: Verizon Wireless Network Extender

Medium severity, CVSS 6.2. EPSS: 0.7% chance of exploitation in the next 30 days.

The Uboot bootloader on the Verizon Wireless Network Extender SCS-26UC4 allows physically proximate attackers to obtain root access by connecting a crafted HDMI cable and using a sys session to modify the ramboot environment variable.

Affected products

• Verizon Wireless Network Extender: version scs-26uc4 only

Published 2013-07-18. Last modified 2026-06-16.