Edimax BR-6675nD 1.12 POST Request /goform/formUSBStorage sub_dir 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 identified as critical has been detected in Edimax BR-6675nD 1.12. Impacted is the function formUSBStorage of the file /goform/formUSBStorage of the component POST Request Handler. The manipulation of the argument sub_dir leads to command injection. This vulnerability is documented as CVE-2026-9400. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Edimax BR-6675nD 1.12. It has been rated as critical. This issue affects the function formUSBStorage of the file /goform/formUSBStorage of the component POST Request Handler. The manipulation of the argument sub_dir with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared at lavender-bicycle-a5a.notion.site. The identification of this vulnerability is CVE-2026-9400. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is available 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 vulnerability database at EUVD (EUVD-2026-31603). If you want to get the best quality for vulnerability data then you always have to consider 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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💳💳💳💳💳💳
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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

05/24/2026 Advisory disclosed
05/24/2026 +0 days VulDB entry created
05/25/2026 +1 days VulDB entry last update

Sourcesinfo

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

CVE: CVE-2026-9400 (🔒)
GCVE (CVE): GCVE-0-2026-9400
GCVE (VulDB): GCVE-100-365381
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/24/2026 08:29
Updated: 05/25/2026 05:54
Changes: 05/24/2026 08:29 (58), 05/25/2026 05:54 (1)
Complete: 🔍
Submitter: yhryhryhr_tu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #811562: EDIMAX BR-6675nD BR-6675nD v1.12 Command Injection (by yhryhryhr_tu)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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