Vulnerability in ZTE Nx741j

CVE-2026-86551

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.2% 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-2026-86551: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • ZTE Nx741j — versions GEN_ZTE_PQ85A01V1.0.0B23MR3 and all prior released versions

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86551?
CVE-2026-86551 is a low-severity vulnerability in ZTE Nx741j, classified under Exposure of Resource to Wrong Sphere. CVSS score: 3.3/10. Published 2026-09-20.
How severe is CVE-2026-86551?
Low severity. CVSS v3 base score is 3.3 out of 10.