What’s Vulnerable › Vulnerabilities

CVE-2026-9459: Edimax EW-7438RPn formConnectionSetting stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-25 · updated 2026-07-23
• Weakness: CWE-119

Description

A security flaw has been discovered in Edimax EW-7438RPn 1.31. This affects the function formConnectionSetting of the file /goform/formConnectionSetting. Performing a manipulation of the argument max_Conn/timeOut results in stack-based buffer overflow. It is possible to initiate the attack 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: 1.31

References

• https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_12/12.md
• https://vuldb.com/submit/813896
• https://vuldb.com/vuln/365440
• https://vuldb.com/vuln/365440/cti

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