CVE-2026-71263

Summary

The flaw in LINUXTCP port of FreeModbus involves an off-by-one error in a bounds check, leading to potential buffer overflow if exploited.

Exploitability

Exploitation requires crafting a specific input that exceeds the buffer size limit, which is moderately difficult given the precise nature of the input needed.

Blast radius

If exploited, this could lead to a denial of service or potentially remote code execution, impacting the integrity and availability of the affected system.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade to the fixed version 1.2.3 or later as published by the vendor.

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.