CVE-2026-129250

Edimax BR6478ACV2 webs formPPTPSetup buffer overflow

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Published Nov 14, 2026 CVSS 4.0 · 9.4 Critical EPSS n/a KEV · Not listed
Description
A security vulnerability has been detected in Edimax BR6478ACV2 1.23. The impacted element is the function formPPTPSetup of the file webs. The manipulation of the argument pptpUserName leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
Description A security vulnerability has been detected in Edimax BR6478ACV2 1.23. The impacted element is the function formPPTPSetup of the file webs. The manipulation of the argument pptpUserName leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title Edimax BR6478ACV2 webs formPPTPSetup buffer overflow
First Time appeared Edimax
Edimax br6478acv2
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:a:edimax:br6478acv2:*:*:*:*:*:*:*:*
Vendors & Products Edimax
Edimax br6478acv2
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}
Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Nov 14, 2026, 11:30 AM
Reserved
Nov 13, 2026, 7:30 PM

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