CVE-2026-8776: Edimax BR-6428NS POST Request formPPTPSetup 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: 2026-05-18 · updated 2026-10-26
Weakness: CWE-119

Description

A vulnerability has been found in Edimax BR-6428NS 1.10. This vulnerability affects the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Such manipulation of the argument pptpUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Edimax BR-6428NS: 1.10

References

https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formPPTPSetup-34b53a41781f8074a88af068842b599e?source=copy_link
https://vuldb.com/submit/811531
https://vuldb.com/vuln/364401
https://vuldb.com/vuln/364401/cti

Get alerted when CVE-2026-8776 or the next vulnerability affects your stack