CVE-2025-64385

INCORRECT SECURITY VALIDATION IN SENDING UDP FRAMES

Published Oct 31, 2025 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
The equipment initially can be configured using the manufacturer's application, by Wi-Fi, by the web server or with the manufacturer’s software.
Using the manufacturer's software, the device can be configured via UDP. Analyzing this communication, it has been observed that any aspect of the initial configuration can be changed by means of the device's MAC without the need for authentication.

Remediation

Vendor Solution

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Tracking

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Advisories

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History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Circutor
Circutor tcprs1plus
Vendors & Products Circutor
Circutor tcprs1plus
Type Values Removed Values Added
Description The equipment initially can be configured using the manufacturer's application, by Wi-Fi, by the web server or with the manufacturer’s software. Using the manufacturer's software, the device can be configured via UDP. Analyzing this communication, it has been observed that any aspect of the initial configuration can be changed by means of the device's MAC without the need for authentication.
Title INCORRECT SECURITY VALIDATION IN SENDING UDP FRAMES
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
S21sec
Published
Updated
Nov 3, 2025, 7:06 PM
Reserved
Oct 31, 2025, 1:13 PM
Status
Deferred
Published
Oct 31, 2025, 3:15 PM
Modified
Jun 17, 2026, 9:54 AM