EUVD-2026-83644
GHSA-6m7c-q258-g6cp
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Local unprivileged app reads a single low-sensitivity identifier, so AV:L/PR:N/C:L with no I/A; UI:N since a background query needs no user interaction beyond install.
Primary rating from Vendor (zte).
CVSS VectorVendor: zte
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Non-privileged applications running on a ZTE nubia Z80 Ultra (NX741J) smartphone can retrieve the device's Wi-Fi MAC address by querying the read-only factory_mac_address field exposed through the Android Settings.Secure content database, defeating the platform's normal restriction on hardware MAC address access. The issue is purely local (assessed CVSS:3.1/AV:L/AC:L/PR:N/UI:N, base score 3.3, C:L/I:N/A:N), requires an attacker-supplied app to already be installed and executing on the handset, and leaks only a single low-sensitivity hardware identifier whose main value is device tracking rather than data compromise. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a non-privileged application already installed and running on a ZTE nubia Z80 Ultra (NX741J) device; the app simply queries the read-only factory_mac_address field in the Settings.Secure content database. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely low-priority issue whose signals all agree. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch was identified at time of analysis; ZTE's bulletin (https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/6413948624371024003) should be monitored for a firmware update, since the proper fix is a vendor-side change that marks factory_mac_address as a system-only Settings.Secure key or removes it from the readable set. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-668 – Exposure of Resource to Wrong Sphere
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External POC / Exploit Code
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