Belkin N300 Dual-Band Wi-Fi Range Extender up to 1.04.9 wps_enrolee_pin access control

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.
6.0	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in Belkin N300 Dual-Band Wi-Fi Range Extender up to 1.04.9 (Wireless LAN Software). This issue affects an unknown part. The manipulation of the argument wps_enrolee_pin with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Belkin N300 Dual-Band Wi-Fi Range Extender with firmware before 1.04.10 allows remote authenticated users to execute arbitrary commands via the (1) sub_dir parameter in a formUSBStorage request; pinCode parameter in a (2) formWpsStart or (3) formiNICWpsStart request; (4) wps_enrolee_pin parameter in a formWlanSetupWPS request; or unspecified parameters in a (5) formWlanMP, (6) formBSSetSitesurvey, (7) formHwSet, or (8) formConnectionSetting request.

The weakness was disclosed 08/13/2015 as ZDI-15-343 as confirmed advisory (ZDI). It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2015-5536 since 07/16/2015. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 1.04.10 eliminates this vulnerability.

Productinfo

Type

Wireless LAN Software

Vendor

Belkin

Name

N300 Dual-Band Wi-Fi Range Extender

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: N300 Dual-Band Wi-Fi Range Extender 1.04.10

Timelineinfo

07/16/2015 🔍
07/21/2015 +5 days 🔍
08/13/2015 +23 days 🔍
08/13/2015 +0 days 🔍
08/14/2015 +1 days 🔍
08/14/2015 +0 days 🔍
10/14/2017 +792 days 🔍

Sourcesinfo

Advisory: ZDI-15-343
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5536 (🔍)
SecurityTracker: 1033295 - Belkin N300 Dual-Band Wi-Fi Range Extender Flaw Lets Remote Authenticated Users Execute Arbitrary Commands on the Target System
SecurityFocus: 75978 - Belkin N300 Dual-Band Wi-Fi Range Extender Multiple Remote Code Execution Vulnerabilities

Entryinfo

Created: 08/14/2015 10:17
Updated: 10/14/2017 11:26
Changes: 08/14/2015 10:17 (51), 10/14/2017 11:26 (10)
Complete: 🔍