ISPSoft File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

published 2025-04-30 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-12682

cvss: 7.8; 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 32%
public exploits: 0; none known

Delta Electronics ISPSoft version 3.20 is vulnerable to an Out-Of-Bounds Write vulnerability that could allow an attacker to execute arbitrary code when parsing ISP file.

Patch / fix

fixed in 1

deltaww ispsoft 3.21

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-30)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Delta Electronics ISPSoft

Classification

Weakness

CWE-787 Out-of-bounds Write

References

filecenter.deltaww.com /news/download/doc/Delta-PCSA-2025-00004_ISPSoft%20-%20Multiple%20Vulnerabilities_v2.pdf
vendor-advisory

Sources

CVE List CVE-2025-4124
NVD CVE-2025-4124

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