Edimax EW-7438RPn 1.31 /goform/formRadius submit-url stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Edimax EW-7438RPn 1.31. Affected by this vulnerability is the function formRadius of the file /goform/formRadius. The manipulation of the argument submit-url results in stack-based overflow.
This vulnerability is reported as CVE-2026-9461. The attack can be launched remotely. Moreover, an exploit is present.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in Edimax EW-7438RPn 1.31. It has been classified as critical. Affected is the function formRadius of the file /goform/formRadius. The manipulation of the argument submit-url with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability is traded as CVE-2026-9461. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-31680). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/24/2026 Advisory disclosed05/24/2026 VulDB entry created
05/25/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-9461 (🔒)
GCVE (CVE): GCVE-0-2026-9461
GCVE (VulDB): GCVE-100-365442
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/24/2026 10:08Updated: 05/25/2026 22:18
Changes: 05/24/2026 10:08 (57), 05/25/2026 22:18 (1)
Complete: 🔍
Submitter: Buoy
Cache ID: 216::103
Submit
Accepted
- Submit #813898: Edimax EW-7438RPn 1.31 Stack-based Buffer Overflow (by Buoy)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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