CVE-2011-0406

CVE-2011-0406 is a critical-severity vulnerability in Wellintech Kingview with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in HistorySvr.exe in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a long request to TCP port 777.

Frequently asked questions

What is CVE-2011-0406?
Heap-based buffer overflow in HistorySvr.exe in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a long request to TCP port 777.
How severe is CVE-2011-0406?
CVE-2011-0406 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-0406 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0406?
CVE-2011-0406 affects Wellintech Kingview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-0406?
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-2011-0406 published?
CVE-2011-0406 was published on 2011-01-11 and last updated on 2026-06-16.

References

Affected products (1)

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