What’s Vulnerable › Vulnerabilities

CVE-2021-27944

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-26 · updated 2026-06-17
• Weakness: CWE-78

Description

Several high privileged APIs on the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs do not enforce access controls, allowing an unauthenticated threat actor to access privileged functionality, leading to OS command execution. The specific attack methodology is a file upload.

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-unauthenticated-remote-code-execution
• https://www.vizio.com
• https://www.l9group.com/advisories/vizio-tv-unauthenticated-remote-code-execution
• https://www.vizio.com

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