Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Tl-Wr840N Firmware | 6_eu_0.9.1_4.16 |
| Tp-Link | Tl-Wr840N | - |
Related Weaknesses (CWE)
References
- https://github.com/therealunicornsecurity/therealunicornsecurity.github.io/blob/ExploitThird Party Advisory
- https://therealunicornsecurity.github.io/TPLink/ExploitThird Party Advisory
- https://www.tp-link.com/fr/support/download/tl-wr840n/v6/#FirmwareVendor Advisory
- https://github.com/therealunicornsecurity/therealunicornsecurity.github.io/blob/ExploitThird Party Advisory
- https://therealunicornsecurity.github.io/TPLink/ExploitThird Party Advisory
- https://www.tp-link.com/fr/support/download/tl-wr840n/v6/#FirmwareVendor Advisory
FAQ
What is CVE-2020-36178?
CVE-2020-36178 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2020-36178?
CVE-2020-36178 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-36178?
Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr840N Firmware, Tp-Link Tl-Wr840N.