PT-2026-43101 · Edimax · Ew-7438Rpn

Buoy · Published 2026-04-27 · Updated 2026-05-25 · CVE-2026-9480

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 occurs in the formrefresh() function within the '/goform/formrefresh' endpoint. This issue is triggered by the manipulation of the submit-url argument, allowing a remote attacker to execute arbitrary code. A stack-based buffer overflow is a condition where a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially overwriting adjacent memory.

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:2026-07314

CVE-2026-9480

Affected Products

Ew-7438Rpn

References · 7

• 🔥 https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_18/18.md · Exploit
• https://bdu.fstec.ru/vul/2026-07314 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-9480 · Security Note
• https://t.me/CVEtracker/54895 · Telegram Post
• https://vuldb.com/vuln/365461/cti · Note
• https://vuldb.com/submit/813902 · Note
• https://vuldb.com/vuln/365461 · Note