CVE-2011-0406

highpriority · attend · 57EPSS 0.213 · 98 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

21.3% (98th) EPSS

CVSS 10 · high

Is it mine?

4 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 HistorySvr.exe in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a long request to TCP port 777.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationKingViewcisa_csaf_ot
Minimize network exposure for all control system devices. Control system devices should not directly face the Internet.

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 · 9–10

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

v2.09highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:POCsecondary · CVSS-BT (t0sche)

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-15957KingView 6.5.3 - SCADA HMI Heap Overflowfunctional · exploit_db

affected products (4)

Products and version ranges known to be affected.

WellinTech KingView: <6.53all versionscisa_csaf_otUS
WellinTech KingView< 6.53cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
wellintech kingview= 6.53nvdUScpe:2.3:a:wellintech:kingview:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-11-017-01WellinTech Kingview 6.53 Remote Heap Overflow2011-10-20icsa · 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 2011-01-11modified 2026-06-16

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+21023 more

references (22)

External citations — patches, advisories, analysis.

scry

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