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Fencer Vulns
high 8.3

CVE-2023-3548 json

IQ Wifi 6

published 2023-07-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44204

cvss
8.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

An unauthorized user could gain account access to IQ Wifi 6 versions prior to 2.0.2 by conducting a brute force authentication attack.

Patch / fix

  • Johnson Controls IQ Wifi 6 2.0.2
  • johnsoncontrols iq_wifi_6 2.0.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-206-04 updated cvss 8.3

Johnson Controls IQ Wifi 6

  • Johnson Controls Inc. IQ Wifi 6 Firmware < 2.0.2
    affected: mitigation “Johnson Controls recommends apply the following mitigations to reduce the risk:” johnsoncontrols.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Johnson Controls IQ Wifi 6
  • johnsoncontrols iq_wifi_6

Classification

Weakness
  • CWE-307 Improper Restriction of Excessive Authentication Attempts

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.