Tenda AC9/AC10 15.03 doSystemCmd mac os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability was found in Tenda AC9 and AC10 15.03. It has been declared as critical. Affected by this vulnerability is the function doSystemCmd. The manipulation of the argument mac as part of a POST Request leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS 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:

An issue was discovered on Tenda AC9 V15.03.05.19(6318)_CN and AC10 V15.03.06.23_CN devices. The mac parameter in a POST request is used directly in a doSystemCmd call, causing OS command injection.

The bug was discovered 08/19/2018. The weakness was disclosed 09/02/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-16334 since 09/01/2018. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-74 / CWE-707
ATT&CK: T1202

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/19/2018 🔍
09/01/2018 +12 days 🔍
09/01/2018 +0 days 🔍
09/02/2018 +1 days 🔍
09/03/2018 +1 days 🔍
03/19/2020 +563 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-16334 (🔍)

Entryinfo

Created: 09/03/2018 06:50
Updated: 03/19/2020 23:13
Changes: 09/03/2018 06:50 (60), 03/19/2020 23:13 (1)
Complete: 🔍

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