Multiple vulnerabilities in Tenda AC9 AC1200 Smart Dual-Band Gigabit WiFi Router
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-5071 CVE-2019-5072 |
| CWE-ID | CWE-78 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Router Hardware solutions / Routers for home users |
| Vendor | Shenzhen Tenda Technology Co.,Ltd. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) OS Command Injection
EUVDB-ID: #VU22914
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-5071
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the "dns1" POST parameter in the "/goform/WanParameterSetting" resource. A local user attacker can send a specially crafted HTTP POST request and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAC9 Router AC1200 Smart Dual-Band Gigabit WiFi Router: 15.03.05.14 - 15.03.05.16
External linkshttp://talosintelligence.com/vulnerability_reports/TALOS-2019-0861
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) OS Command Injection
EUVDB-ID: #VU22915
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-5072
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the "dns2" POST parameter in the "/goform/WanParameterSetting" resource. A local user attacker can send a specially crafted HTTP POST request and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAC9 Router AC1200 Smart Dual-Band Gigabit WiFi Router: 15.03.05.14 - 15.03.05.16
External linkshttp://talosintelligence.com/vulnerability_reports/TALOS-2019-0861
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
