CVE-2026-9442
Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- May 25, 2026
- Updated
- May 28, 2026
- Reserved
- May 24, 2026
Description
A weakness has been identified in Edimax BR-6478AC 1.23. This affects the function formiNICSiteSurvey of the file /goform/formiNICSiteSurvey of the component POST Request Handler. Executing a manipulation of the argument selSSID can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. 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-6478ACEdimax |
|
References
- VDB-365423 | Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflowvdb-entrytechnical-description
- VDB-365423 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #818451 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflowthird-party-advisory
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formiNICSiteSurvey-34b53a41781f8083b8dff46a2f02978f?source=copy_linkexploit
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