CVE-2026-2909HIGH 8.8EPSS p41.9%

CVE-2026-2909CVE-2026-2909

Description

A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public 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
EPSS0.56% probability of exploitation · percentile 41.9% · 2026-06-19T12:03:05Z
Published2026-02-22
Last modified2026-02-23

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/QIU-DIE/cve-nneeww/issues/11
  2. https://vuldb.com/?ctiid.347218
  3. https://vuldb.com/?id.347218
  4. https://vuldb.com/?submit.755211
  5. https://www.tenda.com.cn/

2

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

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