Public vulnerability disclosure

CVE-2026-129250

Edimax BR6478ACV2 webs formPPTPSetup buffer overflow

publishedCWE-120CWE-119

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.

Technical severity9.4 criticalCVSS 4.0 · CNA: VulDB
Published2026-11-14Source updated 2026-11-14
Collected2026-11-141 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
BR6478ACV2
Edimax
1.23 (affected) CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 9.4
critical
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:PCNA: VulDB
3.1 / 9.9
critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:CCNA: VulDB
3.0 / 9.9
critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:CCNA: VulDB
2.0 / 9.0
critical
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:CCNA: VulDB

Exploit evidence

References

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