CVE-2026-52656

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-20 · updated 2026-10-24
Weakness: CWE-94

Description

An issue in SJCAM AllWinner Tech products SJ4000-Air V1.4C and before and Whitelabel based v.1.4C and before allows an attacker to execute arbitrary code via a crafted FEX file

References

https://keowu.re/posts/Lelouch--Reverse-Engineering-of-an-SJCAM-Action-Camera-with-proprietary-Android--based-firmware-and-Rewriting-a-completely-OpenSource-CFW
https://sjcam.com

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