CVE-2026-8776
Edimax BR-6428NS POST Request formPPTPSetup buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- May 18, 2026
- Updated
- May 18, 2026
- Reserved
- May 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BR-6428NSEdimax |
|
References
- VDB-364401 | Edimax BR-6428NS POST Request formPPTPSetup buffer overflowvdb-entrytechnical-description
- VDB-364401 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #811531 | EDIMAX BR-6428NS BR-6428NS_v4_1.10 Buffer Overflowthird-party-advisory
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formPPTPSetup-34b53a41781f8074a88af068842b599e?source=copy_linkexploit
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