CRITICAL

CVE-2020-36178

CVSS v3

9.8

CRITICAL

EPSS Score

13.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

oal_ipt_addBridgeIsolationRules on TP-Link TL-WR840N 6_EU_0.9.1_4.16 devices allows OS command injection because a raw string entered from the web interface (an IP address field) is used directly for a call to the system library function (for iptables). NOTE: oal_ipt_addBridgeIsolationRules is not the only function that calls util_execSystem.

Technical details

Published
1/6/2021

Frequently asked questions

What is CVE-2020-36178?

oal_ipt_addBridgeIsolationRules on TP-Link TL-WR840N 6_EU_0.9.1_4.16 devices allows OS command injection because a raw string entered from the web interface (an IP address field) is used directly for a call to the system library function (for iptables). NOTE: oal_ipt_addBridgeIsolationRules is not the only function that calls util_execSystem.

Is CVE-2020-36178 actively exploited?

Active exploitation of CVE-2020-36178 has not been confirmed. The EPSS score is 13.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36178?

CVE-2020-36178 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-36178 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.