Edimax Wireless Router N300 BR-6428NS_v4 /bin/webs formAccept command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Edimax Wireless Router N300 BR-6428NS_v4. This vulnerability affects the function formAccept of the file /bin/webs. This manipulation causes command injection. This vulnerability appears as CVE-2023-31985. There is no available exploit.

Detailsinfo

A vulnerability was found in Edimax Wireless Router N300 BR-6428NS_v4 (Router Operating System). It has been declared as critical. Affected by this vulnerability is the function formAccept of the file /bin/webs. The manipulation 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 summary by CVE is:

A Command Injection vulnerability in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows attacker to execute arbitrary code via the formAccept function in /bin/webs without any limitations.

The weakness was presented 05/12/2023. The advisory is shared at github.com. This vulnerability is known as CVE-2023-31985 since 04/29/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

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-2023-36274). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

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: 🔍
Status: Not defined

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

04/29/2023 🔍
05/12/2023 +13 days 🔍
05/12/2023 +0 days 🔍
12/30/2025 +963 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-31985 (🔍)
GCVE (CVE): GCVE-0-2023-31985
GCVE (VulDB): GCVE-100-228913
EUVD: 🔍

Entryinfo

Created: 05/12/2023 15:59
Updated: 12/30/2025 06:57
Changes: 05/12/2023 15:59 (40), 06/08/2023 12:03 (11), 01/24/2025 18:09 (26), 12/30/2025 06:57 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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