CVE-2021-27942

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-03 · updated 2026-06-17

Description

Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.

Affected products

Vizio E50X-E1 Firmware: 10.0.31.4-2
Vizio P65-F1 Firmware: 6.0.31.4-2

References

https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-drive
https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-drive

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