CVE-2023-25770

CRITICAL

Honeywell C300 Firmware < 501.6hf8 - Insecure Deserialization

Title source: rule

Description

Controller DoS may occur due to buffer overflow when an error is generated in response to a specially crafted message. See Honeywell Security Notification for recommendations on upgrading and versioning.

References (1)

[Product] https://process.honeywell.com

Scores

CVSS v3 9.8

EPSS 0.0005

EPSS Percentile 16.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-502

Status published

Affected Products (1)

honeywell/c300_firmware < 501.6hf8

Timeline

Published Jul 13, 2023

Tracked Since Feb 18, 2026