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Vulnerability record · CVE-2023-43821 · published 18 January 2024

CVE-2023-43821: Deltaww dopsoft memory buffer overflow vulnerability

Deltaww · Dopsoft

A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wLogTitlesActionLen field of a DPS file. A remote, unauthenticated attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve remote code execution.

7.8 CVSS 3.1 High EPSS 0.99% · top 39.1% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.8CVSS 3.1 base score, v2 6.8
0.99%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wLogTitlesActionLen field of a DPS file. A remote, unauthenticated attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve remote code execution.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wlogtitlesactionl Third Party Advisory
https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wlogtitlesactionl Third Party Advisory

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Related vulnerabilities

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

7.8CVE-2021-38406Delta DOPSoft 2 project file parsing out-of-bounds writeDelta Electronics DOPSoft 2 (version 2.00.07 and prior) does not properly validate user-supplied data when parsing specific project files, leading to…KEVEPSS 76%analysed7.8CVE-2024-1595Deltaww cncsoft-b uncontrolled search path element vulnerabilityDelta Electronics CNCSoft-B DOPSoft prior to v4.0.0.82 insecurely loads libraries, which may allow an attacker to use DLL hijacking and take over the…EPSS 0.39%7.8CVE-2023-43822Deltaww dopsoft memory buffer overflow vulnerabilityA stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wLogTitlesTimeLen field of a DPS file.…EPSS 0.76%7.8CVE-2023-43823Deltaww dopsoft memory buffer overflow vulnerabilityA stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wTTitleLen field of a DPS file. A remo…EPSS 0.99%7.8CVE-2023-43824Deltaww dopsoft memory buffer overflow vulnerabilityA stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wTitleTextLen field of a DPS file. A r…EPSS 0.99%7.8CVE-2023-43817Deltaww dopsoft memory buffer overflow vulnerabilityA buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft version 2 when parsing the wMailContentLen field of a DPS file. An …EPSS 0.49%7.8CVE-2023-43818Deltaww dopsoft memory buffer overflow vulnerabilityA buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft. A remote, unauthenticated attacker can exploit this vulnerability …EPSS 0.99%7.8CVE-2023-43819Deltaww dopsoft memory buffer overflow vulnerabilityA stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the InitialMacroLen field of a DPS file. A…EPSS 0.99%

Source: NIST National Vulnerability Database (record CVE-2023-43821), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.