Raw vector
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:XCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2025-1242 is a critical-severity Use of Hard-coded Credentials (CWE-798) vulnerability in Mygardyn (inferred from references). Its CVSS base score is 9.3 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Valid Accounts (T1078); ranked at the 44th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to IA-5 (Authenticator Management) and SC-12 (Cryptographic Key Establishment and Management) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2025-1242 affects the Gardyn IoT Hub, where administrative credentials can be extracted through application API responses, mobile application reverse engineering, and device firmware reverse engineering. This vulnerability, linked to CWE-798 (Use of Hard-coded Credentials), carries a CVSS v3.1 base score of 9.1 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), classifying it as critical due to high confidentiality and integrity impacts.
Any unauthenticated attacker with network access can exploit this vulnerability with low complexity and no user interaction required. Exploitation enables full administrative access to the Gardyn IoT Hub, potentially exposing connected devices to malicious control.
Mitigation guidance is available in related advisories, including CISA ICSA-26-055-03 at https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03, the Gardyn security page at https://mygardyn.com/security/, and the CSAF JSON file at https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-03.json.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-208113
Vulnerability Data
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…
more
control.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Authenticator management requires secure distribution and handling of credentials, structurally discouraging hard-coded values.
Cryptographic key management mandates proper establishment and handling instead of embedding keys in code.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.AA-01's credential/key-management processes can reduce the incentive to embed secrets but do not address or detect hard-coded values in source code, so the weakness remains fully possible.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
created from the owner's anchor; an owner grade is a row and does not wait for an instrument (Mythos 2026-09-29T15:58Z).
Education on secure configuration practices discourages technical staff from embedding or relying on hard-coded credentials in systems and applications.
Explicit prohibition of hard-coded passwords and unauthenticated external services stops credentials from being embedded directly in source code.