CVE-2026-9460: Stack-based Buffer Overflow in Edimax EW-7438RPn
A weakness has been identified in Edimax EW-7438RPn 1.31. This impacts the function formAccept of the file /goform/formAccept. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
AI Analysis
Technical Summary
This vulnerability affects Edimax EW-7438RPn firmware version 1.31. A stack-based buffer overflow can be triggered remotely by manipulating the submit-url parameter in the /goform/formAccept endpoint. The flaw allows an attacker to overwrite stack memory, potentially leading to arbitrary code execution or denial of service. The vendor was notified but has not issued any fix or advisory. No official patch or mitigation guidance is currently available.
Potential Impact
Successful exploitation can lead to remote code execution or denial of service on the affected device. Given the high CVSS score (8.7) and the availability of a public exploit, this vulnerability poses a serious security risk to devices running the affected firmware version. No known exploits in the wild have been reported yet.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch is available, users should consider disabling remote access to the device or isolating it from untrusted networks until a fix is released. Monitor official Edimax channels for updates.
CVE-2026-9460: Stack-based Buffer Overflow in Edimax EW-7438RPn
Description
A weakness has been identified in Edimax EW-7438RPn 1.31. This impacts the function formAccept of the file /goform/formAccept. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS v4.0
Score 8.7high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Edimax EW-7438RPn firmware version 1.31. A stack-based buffer overflow can be triggered remotely by manipulating the submit-url parameter in the /goform/formAccept endpoint. The flaw allows an attacker to overwrite stack memory, potentially leading to arbitrary code execution or denial of service. The vendor was notified but has not issued any fix or advisory. No official patch or mitigation guidance is currently available.
Potential Impact
Successful exploitation can lead to remote code execution or denial of service on the affected device. Given the high CVSS score (8.7) and the availability of a public exploit, this vulnerability poses a serious security risk to devices running the affected firmware version. No known exploits in the wild have been reported yet.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch is available, users should consider disabling remote access to the device or isolating it from untrusted networks until a fix is released. Monitor official Edimax channels for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-24T08:03:06.893Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a145147a5ae1af1aaa32f83
Added to database: 05/25/2026, 13:40:23 UTC
Last enriched: 06/01/2026, 20:26:47 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 86
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.