HOMEVULNERABILITIESCVE-2018-20410
HIGH

CVE-2018-20410

CWE-787Published: December 24, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

WellinTech KingSCADA before 3.7.0.0.1 contains a stack-based buffer overflow. The vulnerability is triggered when sending a specially crafted packet to the AlarmServer (AEserver.exe) service listening on TCP port 12401.

NVD Source

Technical Analysis

CVE-2018-20410 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

wellintech1 product(s)
kingscada
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.md
ADVISORYhttps://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.py
ADVISORYhttps://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.md
ADVISORYhttps://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.py

All References (4)

→
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.mdThird Party Advisory
→
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.pyExploit · Third Party Advisory
→
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.mdThird Party Advisory
→
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.pyExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2018-20410
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedDec 24, 2018

Related CVEs (CWE-787)

CVE-2011-1807
10.0
CVE-2015-5098
10.0
CVE-2004-1287
10.0
CVE-2004-0978
10.0
CVE-2015-5096
10.0
CVE-2018-3991
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-20410 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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