VDB-367303 · Submit #818454 · CVE-2026-10126

Edimax BR-6478AC 1.23 POST Request /goform/formQoS selSSID buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Edimax BR-6478AC 1.23. This affects the function formQoS of the file /goform/formQoS of the component POST Request Handler. This manipulation of the argument selSSID causes buffer overflow. This vulnerability appears as CVE-2026-10126. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Edimax BR-6478AC 1.23 and classified as critical. Affected by this vulnerability is the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at lavender-bicycle-a5a.notion.site. This vulnerability is known as CVE-2026-10126. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at lavender-bicycle-a5a.notion.site. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-33469). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Edimax

Name

BR-6478AC

Version

1.23

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/29/2026 Advisory disclosed
05/29/2026 +0 days VulDB entry created
05/31/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined

CVE: CVE-2026-10126 (🔒)
GCVE (CVE): GCVE-0-2026-10126
GCVE (VulDB): GCVE-100-367303
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/29/2026 19:29
Updated: 05/31/2026 01:45
Changes: 05/29/2026 19:29 (57), 05/31/2026 01:45 (1)
Complete: 🔍
Submitter: wxhwxhwxh_mie
Cache ID: 216::103

Submitinfo

Accepted

Submit #818454: Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow (by wxhwxhwxh_mie)