Description
A vulnerability was detected in Edimax EW-7438RPn up to 1.31. This affects the function formWizSurvey of the file /goform/formWizSurvey of the component webs. Performing a manipulation of the argument ssid/manualssid/ip/mask/gateway results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References (5)
Core 5
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-365308 | Edimax EW-7438RPn webs formWizSurvey buffer overflow
https://vuldb.com/vuln/365308
Signature, Permissions Required signature
permissions-required
VDB-365308 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365308/cti
Third Party Advisory third-party-advisory
Submit #813886 | Edimax EW-7438RPn 1.31 Stack-based Buffer Overflow
https://vuldb.com/submit/813886
Third Party Advisory third-party-advisory
Submit #811542 | EDIMAX EW-7438RPn Mini EW-7438RPn Mini Firmware 1.28a (Version : 1.28a) Buffer Overflow (Duplicate)
https://vuldb.com/submit/811542
Scores
CVSS v3
8.8
EPSS
0.0059
EPSS Percentile
43.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-120
Status
published
Products (32)
Edimax/EW-7438RPn
1.0
Edimax/EW-7438RPn
1.1
Edimax/EW-7438RPn
1.10
Edimax/EW-7438RPn
1.11
Edimax/EW-7438RPn
1.12
Edimax/EW-7438RPn
1.13
Edimax/EW-7438RPn
1.14
Edimax/EW-7438RPn
1.15
Edimax/EW-7438RPn
1.16
Edimax/EW-7438RPn
1.17
... and 22 more
Published
May 24, 2026
Tracked Since
May 24, 2026