Esp32 Firmware CVE-2025-27840

MEDIUM
Hidden Functionality (CWE-912)
2025-03-08 [email protected]
6.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
Attack Vector
Physical
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:30 vuln.today
PoC Detected
Mar 12, 2025 - 14:58 vuln.today
Public exploit code
CVE Published
Mar 08, 2025 - 20:15 nvd
MEDIUM 6.8

DescriptionNVD

Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory).

AnalysisAI

Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory). Rated medium severity (CVSS 6.8). Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-912. Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory). Affected products include: Espressif Esp32 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.

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CVE-2025-27840 vulnerability details – vuln.today

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