CVE-2026-71263

Summary

The flaw involves an off-by-one error in the bounds check for LINUXTCP port of FreeModbus, leading to potential buffer overflow. This matters because it can allow attackers to exploit the vulnerability to execute malicious code or cause system crashes.

Exploitability

Exploitation requires specific conditions and is moderately difficult due to the need for precise input manipulation, but once triggered, could lead to severe consequences.

Blast radius

If exploited, this flaw could result in significant damage, including data corruption, service disruption, or remote code execution on affected systems.

Prioritized remediation

Update to the latest version of FreeModbus that addresses the bounds check issue.

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