CVE-2026-3804HIGH 8.8EPSS p46.4%

CVE-2026-3804CVE-2026-3804

Description

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.65% probability of exploitation · percentile 46.4% · 2026-06-18T12:00:27Z
Published2026-03-09
Last modified2026-03-09

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formWifiMacFilterSet-index-buffer-overflow
  2. https://vuldb.com/?ctiid.349771
  3. https://vuldb.com/?id.349771
  4. https://vuldb.com/?submit.768985
  5. https://www.tenda.com.cn/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.