CVE-2011-4536

CVE-2011-4536 is a critical-severity vulnerability in Wellintech Kingview with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in nettransdll.dll in HistorySvr.exe (aka HistoryServer.exe) in WellinTech KingView 6.53 and 65.30.2010.18018 allows remote attackers to execute arbitrary code via a crafted op-code 3 packet.

Frequently asked questions

What is CVE-2011-4536?
Heap-based buffer overflow in nettransdll.dll in HistorySvr.exe (aka HistoryServer.exe) in WellinTech KingView 6.53 and 65.30.2010.18018 allows remote attackers to execute arbitrary code via a crafted op-code 3 packet.
How severe is CVE-2011-4536?
CVE-2011-4536 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-4536 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4536?
CVE-2011-4536 primarily affects Wellintech Kingview. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4536?
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-2011-4536 published?
CVE-2011-4536 was published on 2011-12-27 and last updated on 2026-06-16.

References

Affected products (2)

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