Buffer overflow in Mz Automation Libiec61850

CVE-2026-49035

The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate request. Remote code execution (RCE) has been demonstrated when ASLR is disabled; memory corruption or denial of service may occur in configurati…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49035?
CVE-2026-49035 is a high-severity vulnerability in Mz Automation Libiec61850, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-07-23.
How severe is CVE-2026-49035?
High severity. CVSS v3 base score is 8.1 out of 10.