Description
A vulnerability has been found in Edimax BR-6478AC V2 1.23. The impacted element is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component POST Request Handler. The manipulation of the argument selSSID leads to buffer overflow. It is possible to initiate 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.
Severity (CVSS)
| Base score | 8.7 |
|---|---|
| Severity | High |
| Version | CVSS 4.0 |
| Vector | 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 |
| Provided by | CNA |
Weaknesses
- CWE-120 — Buffer Overflow
- CWE-119 — Memory Corruption
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Edimax | BR-6478AC V2 | 1.23 |
References
- https://vuldb.com/vuln/372600 (vdb-entry technical-description)
- https://vuldb.com/vuln/372600/cti (signature permissions-required)
- https://vuldb.com/cve/CVE-2026-12806 (third-party-advisory)
- https://vuldb.com/submit/836668 (third-party-advisory)
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formWlSiteSurvey-34b53a41781f80669c10df409a0851d4?source=copy_link (exploit)
Generated from the official CVE List on 22 Jun 2026 14:43 UTC.