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CVE-2026-9425

Edimax EW-7438RPn formWlanMP stack-based overflow

Published: May 25, 2026Updated: May 26, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.6%
Top 56.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A security vulnerability has been detected in Edimax EW-7438RPn 1.31. The impacted element is the function formWlanMP of the file /goform/formWlanMP. The manipulation of the argument ateFunc/ateGain/ateTxCount/ateChan/ateRate/ateMacID/e2pTxPower1/e2pTxPower2/e2pTxPower3/e2pTxPower4/e2pTxPower5/e2pTxPower6/e2pTxPower7/e2pTx2Power1/e2pTx2Power2/e2pTx2Power3/e2pTx2Power4/e2pTx2Power5/e2pTx2Power6/e2pTx2Power7/ateTxFreqOffset/ateMode/ateBW/ateAntenna/e2pTxFreqOffset/e2pTxPwDeltaB/e2pTxPwDeltaG/e2pTxPwDeltaMix/e2pTxPwDeltaN/readE2P leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-121

Affected Products

Edimax EW-7438RPnEDIMAX Technology Co., Ltd.
On-premNetwork Device
Networking Infrastructure / router-switch
EW-7438RPnEdimaxNetworking Infrastructure
edimax technology co., ltd.commercialNetworking Infrastructureaka edimax br-6476ac, edimax gs-5008pl, re11s
edimaxcommercialTWNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_8/8.md
github.com
https://vuldb.com/submit/813892
vuldb.com
https://vuldb.com/vuln/365406
vuldb.com
and 3 more references View all →

Timeline

Published
May 25, 2026
Last Updated
May 26, 2026

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