CVE-2026-4008HIGH 8.8EPSS p45.6%

CVE-2026-4008CVE-2026-4008

Description

A flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /goform/wifiSSIDset of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may 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
EPSS0.64% probability of exploitation · percentile 45.6% · 2026-06-19T12:03:05Z
Published2026-03-12
Last modified2026-04-02

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formwrlSSIDset-go-buffer-overflow
  2. https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formwrlSSIDset-index-buffer-overflow
  3. https://vuldb.com/?ctiid.350531
  4. https://vuldb.com/?id.350531
  5. https://vuldb.com/?submit.769182
  6. https://vuldb.com/?submit.769183
  7. 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

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