Privilege escalation in ZTE Nubia-In Nx809j

CVE-2026-40002

Red Magic 11 Pro (NX809J) contains a vulnerability that allows non-privileged applications to trigger sensitive operations. The vulnerability stems from the lack of validation for applications accessing the service interface. Exploiting this vulnerability, an attacker can write files to specific partitions and set writable system properties.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (3.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-40002: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-40002?
CVE-2026-40002 is a medium-severity vulnerability in ZTE Nubia-In Nx809j, classified under Improper Privilege Management. CVSS score: 5.0/10. Published 2026-04-17.
How severe is CVE-2026-40002?
Medium severity. CVSS v3 base score is 5.0 out of 10.