CVE-2026-3803HIGH 8.8EPSS p45.5%

CVE-2026-3803CVE-2026-3803

Description

A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

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
EPSS0.63% probability of exploitation · percentile 45.5% · 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-formWifiMacFilterGet-index-buffer-overflow
  2. https://vuldb.com/?ctiid.349770
  3. https://vuldb.com/?id.349770
  4. https://vuldb.com/?submit.768984
  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.