Memory Overflow Vulnerability in Espressif IoT Development Framework
CVE-2025-55297

5.2MEDIUM

Key Information:

Vendor

Espressif

Status
Esp-idf
Vendor
CVE Published:
21 August 2025

What is CVE-2025-55297?

The Espressif IoT Development Framework contains vulnerabilities that expose critical weaknesses in memory management, particularly concerning Wi-Fi credential handling and Diffie-Hellman key exchange mechanisms. These issues can lead to unexpected behavior and security exploits, underscoring the importance of updating to the latest versions where these vulnerabilities have been resolved. Users are advised to upgrade to ESP-IDF versions 5.4.1, 5.3.3, 5.1.6, or 5.0.9 to mitigate potential risks.

Affected Version(s)

esp-idf < 5.0.9 < 5.0.9

esp-idf >= 5.1-beta1, < 5.1.6 < 5.1-beta1, 5.1.6

esp-idf >= 5.2-beta1, < 5.3.3 < 5.2-beta1, 5.3.3

References

https://github.com/espressif/esp-idf/security/advisories/...
x_refsource_CONFIRM
https://github.com/espressif/esp-idf/commit/12b7a9e6d7801...
x_refsource_MISC
https://github.com/espressif/esp-idf/commit/3fc6c93936077...
x_refsource_MISC

CVSS V4

Score:
5.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-55297 : Memory Overflow Vulnerability in Espressif IoT Development Framework