Edimax BR-6428NS 1.10 POST Request /goform/formStaDrvSetup stadrv_ssid command injection

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Edimax BR-6428NS 1.10. Impacted is the function formStaDrvSetup of the file /goform/formStaDrvSetup of the component POST Request Handler. Executing a manipulation of the argument stadrv_ssid can lead to command injection. This vulnerability is tracked as CVE-2026-8777. The attack can be launched remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical was found in Edimax BR-6428NS 1.10. This vulnerability affects the function formStaDrvSetup of the file /goform/formStaDrvSetup of the component POST Request Handler. The manipulation of the argument stadrv_ssid with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at lavender-bicycle-a5a.notion.site. This vulnerability was named CVE-2026-8777. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

It is possible to download the exploit at lavender-bicycle-a5a.notion.site. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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 databases at CNNVD (CNNVD-202605-4056) and EUVD (EUVD-2026-30719). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/17/2026 Advisory disclosed
05/17/2026 +0 days VulDB entry created
05/19/2026 +2 days VulDB entry last update

Sourcesinfo

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

CVE: CVE-2026-8777 (🔒)
GCVE (CVE): GCVE-0-2026-8777
GCVE (VulDB): GCVE-100-364402
EUVD: 🔒
CNNVD: CNNVD-202605-4056 - Edimax BR-6428nS 注入漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/17/2026 11:46
Updated: 05/19/2026 18:47
Changes: 05/17/2026 11:46 (58), 05/18/2026 16:44 (1), 05/19/2026 18:47 (6)
Complete: 🔍
Submitter: wxhwxhwxh_tutu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #811532: EDIMAX BR-6428NS BR-6428NS_v4_1.10 Command Injection (by wxhwxhwxh_tutu)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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