CVE-2025-52221CRITICAL 9.8EPSS p31.7%

CVE-2025-52221CVE-2025-52221

tenda / ac6_firmware

Description

Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetCfm function via the funcname, funcpara1, and funcpara2 parameters.

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
EPSS0.39% probability of exploitation · percentile 31.7% · 2026-08-03T12:00:16Z
Published2026-04-08
Last modified2026-07-25

Underlying weaknesses· 2

CWE-787CWE-120

References

  1. https://github.com/faqiadegege/IoTVuln/blob/main/tendaAc6_formSetCfm_funcname_overflow/detail.md
  2. https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md

2

TypeTargetConfidenceTier
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%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.