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CVE-2011-4536

33
FAUCET Score

CVE-2011-4536 describes a critical heap-based buffer overflow vulnerability in WellinTech KingView versions 6.53 and 65.30.2010.18018, specifically within the nettransdll.dll component of HistorySvr.exe. This flaw allows unauthenticated remote attackers to execute arbitrary code with maximum privileges by sending a specially crafted op-code 3 packet. With a CVSS score of 10.0, this vulnerability presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity and EPSS score, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed on the KEV catalog, and it has received no community discussion or media coverage, suggesting a lack of active exploitation or public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
6.53CPE matchmatch criteria
cpe:2.3:a:wellintech:kingview:6.53:*:*:*:*:*:*:*
65.30.2010.18018CPE matchmatch criteria
cpe:2.3:a:wellintech:kingview:65.30.2010.18018:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.63%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0863 is in the 91st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

en.wellintech.com / news/detail.aspx
PatchVendor Advisory
secunia.com / advisories/47339
Vendor Advisory
kingview.com / news/detail.aspx
PatchVendor Advisory
osvdb.org / 77992
us-cert.gov / control_systems/pdf/ICSA-11-355-02.pdf
PatchUS Government Resource
zerodayinitiative.com / advisories/ZDI-11-351