PT-2026-42951 · Edimax · Ew-7438Rpn

Buoy · Published 2026-04-27 · Updated 2026-05-25 · CVE-2026-9427

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Edimax EW-7438RPn version 1.31

Description A stack-based buffer overflow exists in the webs component. This issue occurs during the manipulation of the selSSID/submit-url argument within the formWlSiteSurvey() function of the '/goform/formWlSiteSurvey' endpoint, allowing for remote exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2026-07287

CVE-2026-9427

Affected Products

Ew-7438Rpn

References · 10

• 🔥 https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_11/11.md · Exploit
• https://bdu.fstec.ru/vul/2026-07287 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-9427 · Security Note
• https://vuldb.com/vuln/365408 · Note
• https://t.me/CVEtracker/54825 · Telegram Post
• https://twitter.com/infoflowcloud/status/2058936320794271819 · Twitter Post
• https://vuldb.com/submit/813895 · Note
• https://twitter.com/vuldb/status/2058447963203268984 · Twitter Post
• https://vuldb.com/vuln/365408/cti · Note
• https://twitter.com/CVEnew/status/2058935289112895778 · Twitter Post