CVE-2025-59375
HIGH
7.5
CVSS Score
Published: September 15, 2025 at 12:00 AM UTC
Updated: October 19, 2026 at 05:10 PM UTC
16 products affected across 2 vendorsLibexpatSIMATIC S7-1500 CPU 1518-4 Pn /dp MFP FirmwareSIMATIC S7-1500 CPU 1518F 4 Pn /dp MFP Firmware
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.7.2
Affected range stops below 2.7.2, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
v < V3.3
Affected range stops below V3.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (9)
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/09/16/2Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/05/01/5Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHmitre
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
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