Vulnerability · Published May 30, 2026 · Assigned by VulDB
CVE-2026-10126Edimax BR-6478AC POST Request formQoS buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in BR-6478AC from Edimax. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 44.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: 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
References
- VDB-367303 | Edimax BR-6478AC POST Request formQoS buffer overflow vdb-entry, technical-description
- VDB-367303 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #818454 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formQoS-34b53a41781f804e9ddfe771c426d9b2?source=copy_link exploit