CVE-2026-9360: Edimax EW-7438RPn POST Request formwlencrypt24g buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-24 · updated 2026-07-23
Weakness: CWE-119

Description

A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Edimax EW-7438RPn: 1.28a

References

https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7438RPn-Mini-formwlencrypt24g-34b53a41781f808c99bcd687b351750b?source=copy_link
https://vuldb.com/submit/811544
https://vuldb.com/vuln/365323
https://vuldb.com/vuln/365323/cti

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