CVE-2026-9480

HIGH 8.8

Edimax EW-7438RPn formrefresh stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

13th

A vulnerability was detected in Edimax EW-7438RPn 1.31. The impacted element is the function formrefresh of the file /goform/formrefresh. The manipulation of the argument submit-url results in stack-based buffer overflow. It is possible to launch the attack 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/365461 vuldb.com: https://vuldb.com/vuln/365461/cti vuldb.com: https://vuldb.com/submit/813902 github.com: https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_18/18.md

Credits

🔍 Buoy (VulDB User) VulDB CNA Team