CVE-2026-8775

HIGH

Edimax BR-6428NS POST Request formL2TPSetup buffer overflow

Title source: cna

Description

A flaw has been found in Edimax BR-6428NS 1.10. This affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. This manipulation of the argument L2TPUserName causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published 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-364400 | Edimax BR-6428NS POST Request formL2TPSetup buffer overflow

https://vuldb.com/vuln/364400

Signature, Permissions Required signature permissions-required

VDB-364400 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/364400/cti

Third Party Advisory third-party-advisory

Submit #811530 | EDIMAX BR-6428NS BR-6428NS_v4_1.10 Buffer Overflow

https://vuldb.com/submit/811530

Exploit exploit

https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formL2TPSetup-34b53a41781f8046b38bffcc190c5277?source=copy_link

Scores

CVSS v3 8.8

EPSS 0.0057

EPSS Percentile 42.6%

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