CVE-2026-81507: esp-idf < 5.2.8, >= 5.3-beta1, < 5.3.6, >= 5.4-beta1, < 5.5.5, >= 6.0-beta1, < 6.0.3, >= 6.1-beta1, < 6.1-rc1

Affected technology

esp-idf · < 5.2.8, >= 5.3-beta1, < 5.3.6, >= 5.4-beta1, < 5.5.5, >= 6.0-beta1, < 6.0.3, >= 6.1-beta1, < 6.1-rc1
espressif

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Adjacent network · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.