CVE-2026-1139

HIGH

UTT 520W < 1.7.7-180627 - Buffer Overflow in /goform/ConfigExceptMSN

Title source: llm
STIX 2.1

Description

A vulnerability has been found in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/ConfigExceptMSN. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.341730
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.341730
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.735299

Scores

CVSS v3 8.8
EPSS 0.0086
EPSS Percentile 53.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
utt/520w_firmware < 1.7.7-180627
Published Jan 19, 2026
Tracked Since Feb 18, 2026