CVE-2026-10126— Edimax BR-6478AC POST Request formQoS buffer overflow

CVSS 8.8 · High Updated May 31, 2026

Possible ATT&CK Techniques 2AI

T1210 · Exploitation of Remote Services T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Edimax	BR-6478AC	`1.23`	affected

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Vulnerability Information

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Vulnerability Title

Edimax BR-6478AC POST Request formQoS buffer overflow

Source: NVD (National Vulnerability Database)

Vulnerability 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.

Source: NVD (National Vulnerability Database)

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: NVD (National Vulnerability Database)

Vulnerability Type

未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)

Source: NVD (National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Edimax	BR-6478AC	1.23	`cpe:2.3:o:edimax:br-6478ac_firmware::::::::`

II. Public POCs for CVE-2026-10126

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-10126

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Other References for CVE-2026-10126 (3)

https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formQoS-34b53a41781f804e9ddfe771c426d9b2?source=copy_linkexploit
https://vuldb.com/vuln/367303/ctisignaturepermissions-required
https://vuldb.com/submit/818454third-party-advisory

https://nvd.nist.gov/vuln/detail/CVE-2026-10126

Same Patch Batch · Edimax · 2026-05-30 · 3 CVEs total

CVE-2026-10125	8.8 HIGH	Edimax BR-6478AC POST Request formPPPoESetup stack-based overflow
CVE-2026-10127	6.3 MEDIUM	Edimax BR-6478AC POST Request formStaDrvSetup command injection

IV. Related Vulnerabilities

Same product: BR-6478AC

Same vendor: Edimax

Same weakness: CWE-120

V. Comments for CVE-2026-10126

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CVE-2026-10126— Edimax BR-6478AC POST Request formQoS buffer overflow

Possible ATT&CK Techniques 2AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-10126

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-10126

III. Intelligence Information for CVE-2026-10126

Other References for CVE-2026-10126 (3)

Same Patch Batch · Edimax · 2026-05-30 · 3 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-10126

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