SB2026051363 - Buffer overflow in ESP-IDF
Published: May 13, 2026
Security Bulletin ID
SB2026051363
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-55297)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: 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
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.
Remediation
Install update from vendor's website.