CVE-2026-9459HIGH 8.8EPSS p50.1%

CVE-2026-9459CVE-2026-9459

Description

A security flaw has been discovered in Edimax EW-7438RPn 1.31. This affects the function formConnectionSetting of the file /goform/formConnectionSetting. Performing a manipulation of the argument max_Conn/timeOut results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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
EPSS0.75% probability of exploitation · percentile 50.1% · 2026-06-19T12:03:05Z
Published2026-05-25
Last modified2026-05-26

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_12/12.md
  2. https://vuldb.com/submit/813896
  3. https://vuldb.com/vuln/365440
  4. https://vuldb.com/vuln/365440/cti

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

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2026-9426
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CVE-2026-9481
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CVE-2026-9461
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CVE-2026-9462
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.