Huawei Secospace USD6600 Command resource management

CVSS Meta Temp Score
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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
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A vulnerability was found in Huawei Secospace USG6300, Secospace USG6500 and Secospace USD6600 (the affected version is unknown). It has been declared as problematic. This vulnerability affects an unknown part of the component Command Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

Huawei Secospace USG6300 with software V500R001C20 and V500R001C20SPC200PWE, Secospace USG6500 with software V500R001C20, Secospace USG6600 with software V500R001C20 and V500R001C20SPC200PWE allow remote attackers with specific permission to log in to a device and deliver a large number of unspecified commands to exhaust memory, causing a DoS condition.

The bug was discovered 12/14/2016. The weakness was shared 04/02/2017 (Website). The advisory is available at This vulnerability was named CVE-2016-8781 since 10/18/2016. The attack can be initiated remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/24/2022).

The vulnerability was handled as a non-public zero-day exploit for at least 109 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.




CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


10/18/2016 🔍
12/14/2016 +57 days 🔍
12/14/2016 +0 days 🔍
04/02/2017 +109 days 🔍
04/02/2017 +0 days 🔍
04/03/2017 +1 days 🔍
11/24/2022 +2061 days 🔍



Advisory: sa-20161214-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8781 (🔍)
SecurityFocus: 94927 - Huawei Firewall CVE-2016-8781 Remote Denial of Service Vulnerability
OSVDB: - CVE-2016-8781 - Huawei - Multiple Products - Denial of Service Issue


Created: 04/03/2017 09:06 AM
Updated: 11/24/2022 02:52 PM
Changes: 04/03/2017 09:06 AM (62), 11/24/2022 02:52 PM (3)
Complete: 🔍


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