CVE-2026-5609

High

Description

A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda I12 Firmware
PublishedApr 6, 2026
First seenApr 6, 2026

How to fix

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

Affected products

ProductAffected versionsFixed in
tenda i12_firmware1.0.0.11\(3862\)—

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CVE-2026-5609 · Tenda I12 Firmware · Dark Radar