← Vulnerability feed

Vulnerability record · CVE-2018-20410 · published 24 December 2018

CVE-2018-20410: Wellintech kingscada out-of-bounds write vulnerability

Wellintech · Kingscada

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.

7.5 CVSS 3.0 High EPSS 1.6% · top 25.3% CWE-787 · Out-of-bounds write
7.5CVSS 3.0 base score, v2 5.0
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.md Third Party Advisory
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.py ExploitThird Party Advisory
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.md Third Party Advisory
https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.py ExploitThird Party Advisory

Track CVE-2018-20410 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-0787Wellintech kingscada stack-based buffer overflow vulnerabilityStack-based buffer overflow in WellinTech KingSCADA before 3.1.2.13 allows remote attackers to execute arbitrary code via a crafted packet.EPSS 14%7.5CVE-2013-2827WellinTech KingSCADA ActiveX control remote DLL code executionAn unspecified ActiveX control in WellinTech KingSCADA, KingAlarm&Event and KingGraphic accepts a ProjectURL property value that causes the client to…EPSS 48%analysed6.4CVE-2013-2826Wellintech kingalarm\&event permissions and access controls vulnerabilityWellinTech KingSCADA before 3.1.2, KingAlarm&Event before 3.1, and KingGraphic before 3.1.2 perform authentication on the KAEClientManager console ra…EPSS 1.8%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed8.8CVE-2026-87491Google Chrome V8 out-of-bounds write enables sandbox code executionChrome before 153.0.8010.36 contains an out-of-bounds write in the V8 JavaScript engine. A crafted HTML page can trigger the memory corruption, and b…KEVEPSS 3.1%analysed9.8CVE-2025-25249Fortinet FortiOS and FortiSwitchManager heap buffer overflow via crafted packetsA heap-based buffer overflow (CWE-122/CWE-787) in Fortinet FortiOS 6.4 through 7.6.3 and FortiSwitchManager 7.0 through 7.2.6 lets an unauthenticated…KEVEPSS 3.9%analysed7.8CVE-2026-53362Linux kernel IPv6 UDP paged allocation out-of-bounds write__ip6_append_data() in the Linux kernel mis-accounts fraggap on the paged-allocation path, leaving the linear skb area undersized while pagedlen is o…KEVEPSS 0.71%analysed7.8CVE-2022-0995Linux kernel watch_queue out-of-bounds writeThe Linux kernel's watch_queue event notification subsystem contains an out-of-bounds write (CWE-787) that can overwrite kernel state. A local user c…KEVEPSS 8.8%analysed

Source: NIST National Vulnerability Database (record CVE-2018-20410), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.