Improper Firmware Validation in Cisco Small Business SPA30x, SPA50x, SPA51x Phones (Bug ID CSCut67400)

CVE-2015-6403 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.

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