CVE-2026-49035Stack-based Buffer Overflow in MZ Automation libIEC61850
Updated under an hour ago ()
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It affects MZ Automation libIEC61850. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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 configurations where ASLR is enabled.
- CVSS
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- icscert
- NVD analysis
- Deferred
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MZ Automation libIEC61850 mz_automation:libiec61850 (from the name) | from 1.0.0 through 1.6.1 | CNA record |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.