CVE-2026-49035: critical vulnerability in MZ Automation libIEC61850
Stack-based Buffer Overflow in MZ Automation libIEC61850
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.2epss 0.6%
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:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
MZ Automation · libIEC61850Related CVEs — MZ Automation libIEC61850
In the same product, most dangerous first.
CVE-2022-2972CRITICALMZ Automation libIEC61850 Stack-Based Buffer OverflowEPSS 1.6%CVE-2022-2970CRITICALMZ Automation libIEC61850 Stack-Based Buffer OverflowEPSS 1.5%CVE-2022-1302HIGHMalformed Goose Message in LibIEC61850 may result in a denial of serviceEPSS 1.1%CVE-2022-2971HIGHMZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')EPSS 1.1%CVE-2022-2973HIGHMZ Automation libIEC61850 NULL Pointer DereferenceEPSS 1.1%CVE-2026-50032HIGHNULL Pointer Dereference in MZ Automation libIEC61850EPSS 0.5%