Subnet Solutions PowerSYSTEM Center Out-of-Bounds Read

published 2025-04-11 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-10826

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Subnet Solutions PowerSYSTEM Center's SMTPS notification service can be affected by importing an EC certificate with crafted F2m parameters, which can lead to excessive CPU consumption during the evaluation of the curve parameters.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-100-08 updated 2025-05-06 cvss 4.3

Subnet Solutions PowerSYSTEM Center

Subnet Solutions Inc. PowerSYSTEM Center 2020 <=5.24.x
affected: mitigation “Subnet Solutions Inc. recommends users update PowerSYSTEM Center (PSC) to the latest versions:”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-11)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA	4.0	5.3	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA	4.0	5.3	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Subnet Solutions PowerSYSTEM Center 2020

Classification

Weakness

CWE-125 Out-of-bounds Read

References

cisa.gov /news-events/ics-advisories/icsa-25-100-08

Sources

CVE List CVE-2025-31354
NVD CVE-2025-31354

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