---
id: CVE-2026-86551
title: >-
  The Z80Ultra (NX741J) product contains a vulnerability where non-privileged
  programs can retrieve the Wi-Fi MAC address by querying the read-only field
  factory_mac_address in the Settings.Secure database.
summary: >-
  The Z80Ultra (NX741J) product contains a vulnerability where non-privileged
  programs can retrieve the Wi-Fi MAC address by querying the read-only field
  factory_mac_address in the Settings.Secure database.
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'
cwe:
  - CWE-668
vendor: ZTE
product: NX741J
affected:
  - NX741J GEN_ZTE_PQ85A01V1.0.0B23MR3 and all prior released versions
published: '2026-09-20'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:41:38.447'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86551'
references:
  - url: >-
      https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/6413948624371024003
    label: psirt@zte.com.cn
tags:
  - nvd
  - cve.org
epss: 0.00195
epssPercentile: 0.08138
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-21T18:11:04.194579Z'
ingestedAt: '2026-09-20T02:12:35.981Z'
---

## Overview

The Z80Ultra (NX741J) product contains a vulnerability where non-privileged programs can retrieve the Wi-Fi MAC address by querying the read-only field factory_mac_address in the Settings.Secure database.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.