CVE-2025-12211CRITICAL 9.8EPSS p47.9%

CVE-2025-12211CVE-2025-12211

Description

A security flaw has been discovered in Tenda O3 1.0.0.10(2478). Affected by this issue is the function SetValue/GetValue of the file /goform/setDmzInfo. The manipulation of the argument dmzIP results in stack-based buffer overflow. It is possible to launch the attack 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
EPSS0.69% probability of exploitation · percentile 47.9% · 2026-06-18T12:00:27Z
Published2025-10-27
Last modified2026-02-24

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md
  2. https://vuldb.com/?ctiid.329881
  3. https://vuldb.com/?id.329881
  4. https://vuldb.com/?submit.673265
  5. https://www.tenda.com.cn/
  6. https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md

2

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