CVE-2023-43820: Delta Electronics Delta Industrial Automation DOPSoft DPS File wLogTitlesPrevValueLen Buffer Overflow Remote Code Execution

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-18 · updated 2026-06-17
Weakness: CWE-119

Description

A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wLogTitlesPrevValueLen 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.

Affected products

Delta Electronics DOPSoft: from 2.00.00.00 through 2.00.07.04

References

https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wlogtitlesprevvaluelen-buffer-overflow-remote-code-execution/
https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wlogtitlesprevvaluelen-buffer-overflow-remote-code-execution/

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