CVE-2026-86551 Wi-Fi MAC Address Obtainment by Non-privileged Program Vulnerability in ZTE Z80Ultra (NX741J) product
Non-privileged apps can read the Wi-Fi MAC address from the Settings.Secure database, exposing device identifiers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-86551?
CVE-2026-86551 is a low-severity vulnerability in ZTE NX741J, published on 20 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-668
Which versions are affected by CVE-2026-86551?
How do I fix CVE-2026-86551?
No fix has been published for CVE-2026-86551 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86551 being exploited?
There is no known exploitation of CVE-2026-86551 in the wild and no public exploit code.
Sources
Also known as GHSA-6m7c-q258-g6cp.