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Status published
Medium
CVE-2020-12638
An encryption-bypass issue was discovered on Espressif ESP-IDF devices through...
Vulnerability Description
An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOS_SDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encryption.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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CVE-2025-68622
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CVE-2025-68474
ESF-IDF Has Out-of-Bounds Write in ESP32 Bluetooth AVRCP Vendor Command Handling
Medium
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CVE-2025-68473
ESF-IDF Has Out-of-Bounds Read in ESP32 Bluetooth SDP Result Handling
Unknown
0
Affected Vendor
espressif
View all reports →Affected Software
esp-idf, esp8266 nonos sdk, esp8266 rtos sdk
Vulnerable Versions:
0
Timeline
Official Publish:
July 23rd, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.