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Fencer Vulns
critical 9.1

CVE-2025-1242 json

Administrative Credentials Can Be Extracted Through Gardyn API Responses

published 2026-02-25 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-208113

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

The administrative credentials can be extracted through application API responses, mobile application reverse engineering, and device firmware reverse engineering. The exposure may result in an attacker gaining full administrative access to the Gardyn IoT Hub exposing connected devices to malicious control.

Patch / fix

  • Gardyn Home Kit master.619
  • Gardyn Home Kit Mobile Application 2.11.0
  • Gardyn Home Kit Cloud API 2.12.2026

Vendor advisories

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

cisa ICSA-26-055-03 updated cvss 9.1

Gardyn Home Kit (Update B)

  • Gardyn Cloud API <2.12.2026 Gardyn Mobile Application <2.11.0
    affected: mitigation “The current versions of the Gardyn App and the Gardyn Home firmware can be checked in the Gardyn App.” mygardyn.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
total
Assessed
8 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Gardyn Home Kit
  • Gardyn Home Kit Mobile Application
  • Gardyn Home Kit Cloud API

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

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.