CVE-2025-53524

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 17.7% of scored records. A rank, not a probability.

NVD base score

8.4 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-17 00:19Z10 MO AGO

Last updated

2025-12-17 14:41Z10 MO AGO

Reserved

2025-07-30

Assigning CNA

icscert

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

cec95515ea4bd2e5226cd2aa6ffd6a8601c47787750b3269c13abbd7fcdecdc5

• felib.fujielectric.co.jphttps://felib.fujielectric.co.jp/en/document_search?tab=software&document1%5B1%5D=M10009&document2%5B1%5D=M20104&product1%5B1%5D=P10003&product2%5B1%5D=P20023&product3%5B1%5D=P30623&product4%5B1%5D=S11133&discontinued%5B1%5D=0&count=20&sort=en_title&page=1&region=en-glb
• www.cisa.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-25-308-01
• github.comhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-308-01.json