Use-after-free in ESP-IDF - CVE-2026-25507
Published: February 3, 2026
Vulnerability identifier: #VU122245
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-25507
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Espressif Systems
Affected software:
ESP-IDF
ESP-IDF
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the BLE provisioning transport layer. A remote attacker on the local network can perform a denial of service (DoS) attack.
How to mitigate CVE-2026-25507
Install updates from vendor's website.