How severe is CVE-2010-4740?

CVE-2010-4740 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-4740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4740?

CVE-2010-4740 affects Scadaengine Bacnet Opc Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-4740 published?

CVE-2010-4740 was published on 2011-02-16 and last updated on 2026-06-16.

CVE-2010-4740

CVE-2010-4740 is a critical-severity vulnerability in Scadaengine Bacnet Opc Client with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 42% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 42% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Scadaengine Bacnet Opc Client
Published: 2011-02-16
Last modified: 2026-06-16

Description

Stack-based buffer overflow in WTclient.dll in SCADA Engine BACnet OPC Client before 1.0.25 allows user-assisted remote attackers to execute arbitrary code via a crafted .csv file, related to a status log message.

Frequently asked questions

What is CVE-2010-4740?: Stack-based buffer overflow in WTclient.dll in SCADA Engine BACnet OPC Client before 1.0.25 allows user-assisted remote attackers to execute arbitrary code via a crafted .csv file, related to a status log message.
How severe is CVE-2010-4740?: CVE-2010-4740 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-4740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4740?: CVE-2010-4740 affects Scadaengine Bacnet Opc Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-4740 published?: CVE-2010-4740 was published on 2011-02-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:scadaengine:bacnet_opc_client:*:*:*:*:*:*:*:*

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