CVE-2026-25789

HIGH EPSS 19.2%

Published May 12, 20261mo ago · Modified Jun 17, 20261w ago

7.2 CVSS 4.0

High

Published May 12, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

Affected devices do not properly validate and sanitize filenames on the Firmware Update page. This could allow a remote attacker to social engineer the user into selecting the modified firmware file to be uploaded. This would result in malitcious JavaScript execution in the context of the authenticated user's session without requiring the file to be uploaded, potentially leading to session hijacking or credential theft.

CVSS Details

Base Score

7.2

Exploitability

—

Impact

—

Vector string

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

Attack Vector Network

Attack Complexity High

Privileges Required Low

User Interaction A

Scope X

Threat Intelligence

EPSS Exploit Probability

19.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 1

cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-688146.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.