Belkin WeMo 2769 Distribution Feed cryptographic issues

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Belkin WeMo 2769. It has been classified as problematic. This affects an unknown function of the component Distribution Feed. The manipulation with an unknown input leads to a weak encryption vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality. The summary by CVE is:

The Belkin WeMo Home Automation firmware before 3949 does not use SSL for the distribution feed, which allows man-in-the-middle attackers to install arbitrary firmware by spoofing a distribution server.

The weakness was presented 02/18/2014 by Mike Davis with IOActive as VU#656302 as confirmed vulnerability note ( The advisory is shared at The public release was coordinated in cooperation with Belkin. This vulnerability is uniquely identified as CVE-2013-6950 since 12/04/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 117 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version Firmware 3949 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (91219). See 12451, 12452, 12454 and 12455 for similar entries.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍



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

NVD Base Score: 🔍


Class: Weak encryption
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven
Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WeMo Firmware 3949


10/24/2013 🔍
12/04/2013 +41 days 🔍
02/18/2014 +76 days 🔍
02/18/2014 +0 days 🔍
02/22/2014 +4 days 🔍
03/04/2014 +10 days 🔍
05/17/2018 +1535 days 🔍


Advisory: VU#656302
Researcher: Mike Davis
Organization: IOActive
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-6950 (🔍)
X-Force: 91219 - Belkin Wemo Home Automation devices distribution feed information disclosure, Medium Risk
SecurityFocus: 65631 - Belkin Wemo Home Automation devices Man in the Middle Information Disclosure Vulnerability

See also: 🔍


Created: 03/04/2014 04:19 PM
Updated: 05/17/2018 08:47 AM
Changes: (6) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai
Complete: 🔍


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