CVE-2026-3972HIGH 8.8EPSS p48.5%

CVE-2026-3972CVE-2026-3972

Description

A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.71% probability of exploitation · percentile 48.5% · 2026-06-19T12:03:05Z
Published2026-03-12
Last modified2026-04-29

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setcfm-funcpara1-buffer-overflow
  2. https://vuldb.com/?ctiid.350407
  3. https://vuldb.com/?id.350407
  4. https://vuldb.com/?submit.769172
  5. https://www.tenda.com.cn/

3

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

Related by meaning· 6

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