Buffer overflow in ESP-IDF - CVE-2025-55297
Published: May 13, 2026
Vulnerability identifier: #VU131334
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-55297
CWE-ID: CWE-120
Exploitation vector: Remote access
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 cause memory corruption or unexpected behavior.
The vulnerability exists due to buffer copy without checking size of input in BluFi Wi-Fi credential handling functions when processing Wi-Fi credentials. A remote attacker can send oversized credential data to cause memory corruption or unexpected behavior.
The overflow occurs in buffers located in global memory.
How to mitigate CVE-2025-55297
Install security update from vendor's website.