CVE-2026-3399
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 vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. The manipulation of the argument dips leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.
Analysis
Remote code execution in Tenda F453 firmware versions 1.0.0.3 and earlier results from a buffer overflow in the httpd component's DHCP configuration handler. An authenticated attacker can exploit this vulnerability over the network to achieve complete system compromise, and public exploit code is currently available.
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Remediation
Within 24 hours: Inventory all Tenda F453 1.0.0.3 devices in production and isolate affected units from critical networks. Within 7 days: Implement network segmentation to restrict administrative access to these devices and deploy WAF/IDS rules blocking exploitation attempts. …
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