CVE-2026-3804: high-severity vulnerability in Tenda i3
Tenda i3 WifiMacFilterSet formWifiMacFilterSet stack-based overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.7%
A security flaw has been discovered in Tenda i3 1.0.0.6(2204). This vulnerability affects the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet. The manipulation of the argument index results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · i3Related CVEs — Tenda i3
In the same product, most dangerous first.
CVE-2026-3971HIGHTenda i3 wifiSSIDset formwrlSSIDset stack-based overflowEPSS 0.7%CVE-2026-3801HIGHTenda i3 setAutoPing formSetAutoPing stack-based overflowEPSS 0.7%CVE-2026-3970HIGHTenda i3 wifiSSIDget formwrlSSIDget stack-based overflowEPSS 0.7%CVE-2026-3803HIGHTenda i3 WifiMacFilterGet formWifiMacFilterGet stack-based overflowEPSS 0.7%CVE-2026-3802HIGHTenda i3 exeCommand formexeCommand stack-based overflowEPSS 0.7%CVE-2026-3799HIGHTenda i3 setcfm formSetCfm stack-based overflowEPSS 0.7%