CVE-2026-67862

Summary

The flaw is a buffer overflow in open62541 1.5.5's attribute reading logic, allowing remote attackers to cause a denial of service. This matters because it can lead to system crashes without proper mitigation.

Exploitability

Exploitation requires access to the network and knowledge of the target version. It is moderately easy given these preconditions.

Blast radius

If exploited, this could result in widespread service disruptions for systems using open62541 1.5.5, impacting availability and reliability.

Prioritized remediation

Update to a patched version of open62541 or apply vendor-provided patches immediately.

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