// For flags

CVE-2025-27840

 

Severity Score

7.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

*Credits: N/A
CVSS Scores
Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low
Attack Vector
Physical
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low
Attack Vector
Local
Attack Complexity
High
Authentication
Multiple
Confidentiality
Complete
Integrity
Complete
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-03-08 CVE Reserved
  • 2025-03-08 CVE Published
  • 2025-03-31 First Exploit
  • 2025-05-12 CVE Updated
  • 2025-07-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-912: Hidden Functionality
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Espressif
Search vendor "Espressif"
 Esp32
Search vendor "Espressif" for product "Esp32"
*-
Affected