Cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin [new] Jun 2026

This release was critical for patching the (CVE-2016-6415) and various TCP stack vulnerabilities. If you are running a switch that terminates VPNs or uses SSH management, this image closes several remote-code-execution paths.

This universal image supports multiple license levels (LAN Base, IP Base, and IP Services). Features are unlocked based on the license installed on the hardware: cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin

Upgrading often involves using the copy command to move the .bin file to the flash: memory of the switch, followed by configuring the boot system variable. This release was critical for patching the (CVE-2016-6415)