A weakness has been identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formIpGroupConfig. Executing a manipulation of the argument groupName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Utt
  • 520w
  • 520w Firmware

Configuration 1 [-]

AND
cpe:2.3:o:utt:520w_firmware:1.7.7-180627:*:*:*:*:*:*:*
cpe:2.3:h:utt:520w:3.0:*:*:*:*:*:*:*

No data.

References
Link Providers
https://github.com/cymiao1978/cve/blob/main/new/36.md cve-icon cve-icon
https://github.com/cymiao1978/cve/blob/main/new/36.md#poc cve-icon cve-icon
https://vuldb.com/?ctiid.344633 cve-icon cve-icon
https://vuldb.com/?id.344633 cve-icon cve-icon
https://vuldb.com/?submit.745260 cve-icon cve-icon
History

Tue, 10 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Utt 520w Firmware
CPEs cpe:2.3:h:utt:520w:3.0:*:*:*:*:*:*:*
cpe:2.3:o:utt:520w_firmware:1.7.7-180627:*:*:*:*:*:*:*
Vendors & Products Utt 520w Firmware

Mon, 09 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Utt
Utt 520w
Vendors & Products Utt
Utt 520w

Fri, 06 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 06 Feb 2026 20:45:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formIpGroupConfig. Executing a manipulation of the argument groupName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Title UTT 进取 520W formIpGroupConfig strcpy buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-02-06T20:32:06.795Z

Updated: 2026-02-06T20:40:03.175Z

Reserved: 2026-02-06T06:59:29.800Z

Link: CVE-2026-2066

cve-icon Vulnrichment

Updated: 2026-02-06T20:39:56.961Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-06T21:16:19.733

Modified: 2026-02-10T15:11:28.863

Link: CVE-2026-2066

cve-icon Redhat

No data.