CVE-2026-9389HIGH 8.8EPSS p49.7%

CVE-2026-9389CVE-2026-9389

Description

A security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly 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
EPSS0.74% probability of exploitation · percentile 49.7% · 2026-06-19T12:03:05Z
Published2026-05-24
Last modified2026-05-26

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_2/README.md
  2. https://vuldb.com/submit/813444
  3. https://vuldb.com/vuln/365352
  4. https://vuldb.com/vuln/365352/cti
  5. https://www.tenda.com.cn/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

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