CVE-2026-1139

High

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductUtt 520w Firmware
PublishedJan 19, 2026
First seenJan 19, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
utt 520w_firmwarev ≤ 1.7.7-180627—

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