Buffer overflow in Edimax Br-6478ac
CVE-2026-10165
A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Edimax Br-6478ac — versions 1.23
Weakness classification (CWE)
References
- vuldb.com/vuln/367419 (technical-description, vdb-entry)
- vuldb.com/vuln/367419/cti (signature, permissions-required)
- vuldb.com/submit/818601 (third-party-advisory)
- lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formWanTcpipSetup-34b53a4178… (exploit)
Frequently asked questions
- What is CVE-2026-10165?
- CVE-2026-10165 is a high-severity vulnerability in Edimax Br-6478ac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-31.
- How severe is CVE-2026-10165?
- High severity. CVSS v3 base score is 8.8 out of 10.