CVE-2026-52656

Received Received - Intake

Heap-based Buffer Overflow in SJCAM SJ4000-Air Firmware

Publication date: 2026-07-20

Last updated on: 2026-07-20

Assigner: MITRE

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-20

Last Modified

2026-07-20

Generated

2026-07-21

AI Q&A

2026-07-21

EPSS Evaluated

N/A

NVD

CVE-2026-52656

EUVD

EUVD-2026-46142

Affected Vendors & Products

Vendor	Product	Version / Range
allwinner_tech	sj4000-air	to 1.4c (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is in SJCAM AllWinner Tech products, specifically SJ4000-Air V1.4C and earlier versions, as well as Whitelabel versions based on v1.4C or earlier. It allows an attacker to execute arbitrary code by tricking the user into opening a specially crafted FEX file.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially leading to unauthorized access, data theft, or further compromise of your system.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The issue involves arbitrary code execution via a crafted FEX file in SJCAM AllWinner Tech products, but no compliance implications are mentioned.

Mitigation Strategies

Update SJCAM AllWinner Tech SJ4000-Air firmware to versions beyond V1.4C and verify Whitelabel devices are also updated. Avoid processing untrusted FEX files from unknown sources.

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