What is the CVSS score of CVE-2025-29659?

CVE-2025-29659 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 4.2%.

Which versions of Xy 3820 Firmware are affected by CVE-2025-29659?

Organizations using Yi IOT XY-3820 6.0.24.10 face critical risk from CVE-2025-29659 rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2025-29659?

Yes, a public proof-of-concept exploit is available for CVE-2025-29659. Prioritise patching immediately. EPSS: 4.2%.

How to fix or mitigate CVE-2025-29659?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Xy 3820 Firmware CVE-2025-29659

CRITICAL

Improper Authorization (CWE-285)

2025-04-21 cve@mitre.org

Authentication Bypass Xy 3820 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:38 vuln.today

PoC Detected

Jun 23, 2025 - 13:42 vuln.today

Public exploit code

CVE Published

Apr 21, 2025 - 15:16 nvd

CRITICAL 9.8

DescriptionCVE.org

Yi IOT XY-3820 6.0.24.10 is vulnerable to Remote Command Execution via the "cmd_listen" function located in the "cmd" binary.

AnalysisAI

Yi IOT XY-3820 6.0.24.10 is vulnerable to Remote Command Execution via the "cmd_listen" function located in the "cmd" binary. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-285. Yi IOT XY-3820 6.0.24.10 is vulnerable to Remote Command Execution via the "cmd_listen" function located in the "cmd" binary. Affected products include: Yiiot Xy-3820 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-29659 vulnerability details – vuln.today

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Xy 3820 Firmware CVE-2025-29659

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code