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

published 2024-01-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48182

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

A buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft version 2 when parsing the wMailContentLen 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: total
Assessed: 2 y ago (2024-01-19)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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-wmailcontentlen-buffer-overflow-rem
third-party-advisory

Sources

CVE List CVE-2023-43817
NVD CVE-2023-43817

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