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Fencer Vulns
medium 4.3

CVE-2016-6549 json

Zizai Tech Nut allows for unauthenticated Bluetooth pairing

published 2018-07-13 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7470

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

The Zizai Tech Nut device allows unauthenticated Bluetooth pairing, which enables unauthenticated connected applications to write data to the device name attribute.

Exploit prediction

1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • blog.rapid7.com https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • Zizai Technology Tech Nut

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality
  • CWE-287 Improper Authentication

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.