Vulnerability details

CVE-2026-10126

Edimax BR-6478AC

Edimax BR-6478AC POST Request formQoS buffer overflow

CVSS 4.0

8.7High

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.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Edimax	BR-6478AC	1.23	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/367303 vdb-entrytechnical-description
https://vuldb.com/vuln/367303/cti signaturepermissions-required
https://vuldb.com/submit/818454 third-party-advisory
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formQoS-34b53a41781f804e9ddfe771c426d9b2?source=copy_link exploit

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Details

Published: 2026-05-30
Last updated: 2026-06-01
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.75%

Probability of exploitation in 30 days

55.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-120
Buffer Overflow
CWE-119
Memory Corruption