CVE-2026-8776

HIGH

Edimax BR-6428NS POST Request formPPTPSetup buffer overflow

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-364401 | Edimax BR-6428NS POST Request formPPTPSetup buffer overflow
https://vuldb.com/vuln/364401
Signature, Permissions Required signature permissions-required
VDB-364401 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/364401/cti
Third Party Advisory third-party-advisory
Submit #811531 | EDIMAX BR-6428NS BR-6428NS_v4_1.10 Buffer Overflow
https://vuldb.com/submit/811531

Scores

CVSS v3 8.8
EPSS 0.0044
EPSS Percentile 35.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
Edimax/BR-6428NS 1.10
Published May 18, 2026
Tracked Since May 18, 2026