Delta Electronics Delta Industrial Automation DOPSoft DPS File wKPFStringLen Buffer Overflow Remote Code Execution

published 2024-01-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48181

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

A buffer overflow vulnerability exists in Delta Electronics Delta Industrial Automation DOPSoft version 2 when parsing the wKPFStringLen field of a DPS file. An anonymous attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve code execution.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Delta Electronics DOPSoft

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120 Buffer Copy without Checking Size of Input

References

blog.exodusintel.com /2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wkpfstringlen-buffer-overflow-remot
third-party-advisory

Sources

CVE List CVE-2023-43816
NVD CVE-2023-43816

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary