CVSS v3
7.8
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An exploitable command injection vulnerability exists in the /goform/WanParameterSetting functionality of Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route (AC9V1.0 Firmware V15.03.05.16multiTRU). A specially crafted HTTP POST request can cause a command injection in the DNS1 post parameters, resulting in code execution. An attacker can send HTTP POST request with command to trigger this vulnerability.
Technical details
- Published
- 2019-11-21
Frequently asked questions
What is CVE-2019-5071?
An exploitable command injection vulnerability exists in the /goform/WanParameterSetting functionality of Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route (AC9V1.0 Firmware V15.03.05.16multiTRU). A specially crafted HTTP POST request can cause a command injection in the DNS1 post parameters, resulting in code execution. An attacker can send HTTP POST request with command to trigger this vulnerability.
Is CVE-2019-5071 actively exploited?
Active exploitation of CVE-2019-5071 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-5071?
CVE-2019-5071 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2019-5071 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2019 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).