A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this vulnerability is the function strcpy of the file /goform/formConfigNoti…

A buffer overflow vulnerability (CVE-2026-0840) has been discovered in UTT 进取 520W router firmware version 1.7.7-180627. The vulnerability affects the strcpy function in /goform/formConfigNoticeConfig file, where manipulation of the timestart argument leads to buffer overflow. The attack can be initiated remotely and the exploit has been publicly disclosed. The vendor was contacted about the vulnerability but did not respond.