CVE-2026-3400CRITICAL 9.8EPSS p53.5%

CVE-2026-3400CVE-2026-3400

Description

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.85% probability of exploitation · percentile 53.5% · 2026-06-19T12:03:05Z
Published2026-03-02
Last modified2026-03-03

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://vuldb.com/?ctiid.348295
  2. https://vuldb.com/?id.348295
  3. https://vuldb.com/?submit.760109
  4. https://www.tenda.com.cn/
  5. https://www.yuque.com/ba1ma0-an29k/nnxoap/tzg68iadbmqx6esm?singleDoc#

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.