CVE-2026-9426

HIGH 8.8

Edimax EW-7438RPn formHwSet stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

13th

A vulnerability was detected in Edimax EW-7438RPn 1.31. This affects the function formHwSet of the file /goform/formHwSet. The manipulation of the argument Anntena/Mcs/regDomain/nic0Addr/nic1Addr/wlanAddr/wanAddr/wlanSSID/wlanChan/initgain/txcck/txofdm/submit-url results in stack-based buffer overflow. The attack can be executed 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.

CWE	CWE-121 CWE-119
Vendor	edimax
Product	ew-7438rpn
Published	May 25, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Edimax / EW-7438RPn

1.31

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365407 vuldb.com: https://vuldb.com/vuln/365407/cti vuldb.com: https://vuldb.com/submit/813894 github.com: https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_10/10.md

Credits

🔍 Bond_yes (VulDB User) VulDB CNA Team