CVE-2011-4536

highpriority · track · 43EPSS 0.085 · 95 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

8.53% (95th) EPSS

CVSS 10 · high

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationKingview HistoryServercisa_csaf_ot
WellinTech has created a patch and instructions for installation that is available for download on its website. (http://en.wellintech.com/news/detail.aspx?contentid=166)
http://en.wellintech.com/news/detail.aspx?contentid=166

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.5–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · CISA US

v2.08.5highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

affected products (5)

Products and version ranges known to be affected.

WellinTech Kingview HistoryServer: 65.30.2010.18018all versionscisa_csaf_otUS
WellinTech Kingview HistoryServerall versionscisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
wellintech kingview= 6.53nvdUScpe:2.3:a:wellintech:kingview:*:*:*:*:*:*:*:*
wellintech kingview= 65.30.2010.18018nvdUScpe:2.3:a:wellintech:kingview:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-11-355-02WellinTech KingView History Server Buffer Overflow2011-09-23icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2011-12-27modified 2026-06-16

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+21038 more

references (12)

External citations — patches, advisories, analysis.

scry

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