CVE-2026-9348: Edimax EW-7438RPn webs mp stack-based 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 vulnerability was found in Edimax EW-7438RPn up to 1.31. Affected by this vulnerability is an unknown functionality of the file /goform/mp of the component webs. The manipulation of the argument webs results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Edimax EW-7438RPn: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+26)

References

https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_6/6.md
https://vuldb.com/submit/813890
https://vuldb.com/vuln/365311
https://vuldb.com/vuln/365311/cti

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