CVE-2024-8889

Improper Input Validation vulnerability on CIRCUTOR TCP2RS+

Published Sep 18, 2024 CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol and port 2000, deconfiguring the device and thus disabling its use. This equipment is at the end of its useful life cycle.

Remediation

Vendor Solution

CIRCUTOR TCP2RS+ device firmware version 1.3.b (2017), presents 2 security vulnerabilities exploitable mainly in public communication networks, especially in networks not adequately protected. CIRCUTOR strongly recommends replacing the TCP2RS+ device with the current Line-TCPRS1, both in private and public network environments.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-49459 Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol and port 2000, deconfiguring the device and thus disabling its use. This equipment is at the end of its useful life cycle.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00195}

epss

{'score': 0.00191}

Type Values Removed Values Added
First Time appeared Circutor tcp2rs\+
Circutor tcp2rs\+ Firmware
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:h:circutor:tcp2rs\+:-:*:*:*:*:*:*:*
cpe:2.3:h:circutor:tcp2rs\+_firmware:1.3b:*:*:*:*:*:*:*
Vendors & Products Circutor tcp2rs\+
Circutor tcp2rs\+ Firmware
Type Values Removed Values Added
First Time appeared Circutor
Circutor circutor Tcp2rs Plus
CPEs cpe:2.3:a:circutor:circutor_tcp2rs_plus:*:*:*:*:*:*:*:*
Vendors & Products Circutor
Circutor circutor Tcp2rs Plus
Metrics ssvc

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

Type Values Removed Values Added
Description Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol and port 2000, deconfiguring the device and thus disabling its use. This equipment is at the end of its useful life cycle.
Title Improper Input Validation vulnerability on CIRCUTOR TCP2RS+
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Sep 18, 2024, 1:09 PM
Reserved
Sep 16, 2024, 10:20 AM
Status
Analyzed
Published
Sep 18, 2024, 12:15 PM
Modified
Jun 17, 2026, 8:23 AM