CVE-2026-0839
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 can lead to buffer overflow. The attack may be performed from remote. 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.
Analysis
Remote code execution in UTT 520W Firmware 1.7.7-180627 via buffer overflow in the /goform/APSecurity endpoint allows authenticated attackers to achieve full system compromise through manipulation of the wepkey1 parameter. Public exploit code exists for this vulnerability and the vendor has not released a patch despite early notification. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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