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CVE-2026-114353: CWE-912 Hidden Functionality in DJI CrystalSky ZS600C

0
High
VulnerabilityCVE-2026-114353cvecve-2026-114353cwe-912
Published: 10/23/2026 (10/23/2026, 13:31:05 UTC)
Source: CVE Database V5
Vendor/Project: DJI
Product: CrystalSky ZS600C

Description

A hidden backdoor in the DJI CrystalSky ZS600C firmware versions 0.3.9.7 through 0.6.6.9 allows a physically-present attacker with USB access to execute arbitrary commands as root. The vulnerability exists in the root-privileged 'assistant' daemon, which listens on the USB-gadget serial interface and accepts a hard-coded magic string to enable command execution.

CVSS v4.0

Score 7.0high

Attack Vector
Physical
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
Scope
P
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/S:P

Affected software

DJI

CrystalSky ZS600C

Affected versions
>=0.3.9.7 <=0.6.6.9

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/23/2026, 14:01:06 UTC

Technical Analysis

CVE-2026-114353 describes a hidden functionality vulnerability (CWE-912) in the DJI CrystalSky ZS600C firmware versions 0.3.9.7 through 0.6.6.9. The root-privileged 'assistant' daemon contains an undocumented backdoor that, when triggered by sending the magic string 'dji26656677' to the USB-gadget serial interface (/dev/ttyGS0), allows an attacker with physical USB access to execute arbitrary OS commands as root. Each subsequent line sent after the magic string is passed directly to the system() call, enabling full root command execution.

Potential Impact

An attacker with physical access to the device's USB interface can gain root-level command execution privileges, potentially compromising the entire system. This could lead to unauthorized control, data theft, or device manipulation. The vulnerability requires physical access and USB connectivity, limiting remote exploitation.

Mitigation Recommendations

No official patch or fix is currently documented. Since the vulnerability requires physical USB access, restricting physical access to the device is critical. Monitor vendor advisories for any forthcoming patches or official mitigations. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.

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Technical Details

Data Version
5.2
Assigner Short Name
NCSC.ch
Date Reserved
2026-10-21T08:41:14.430Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6adb651b4d27ba8daa2e0688

Added to database: 10/23/2026, 13:46:03 UTC

Last enriched: 10/23/2026, 14:01:06 UTC

Last updated: 10/23/2026, 15:26:05 UTC

Views: 2

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