Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.123
EPSS Ranking 93.5%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
- https://github.com/therealunicornsecurity/therealunicornsecurity.github.io/blob/master/_posts/2020-10-11-TPLink.md
- https://therealunicornsecurity.github.io/TPLink/
- https://www.tp-link.com/fr/support/download/tl-wr840n/v6/#Firmware
- https://github.com/therealunicornsecurity/therealunicornsecurity.github.io/blob/master/_posts/2020-10-11-TPLink.md
- https://therealunicornsecurity.github.io/TPLink/
- https://www.tp-link.com/fr/support/download/tl-wr840n/v6/#Firmware
Products affected by CVE-2020-36178
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cpe:2.3:h:tp-link:tl-wr840n:-
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cpe:2.3:o:tp-link:tl-wr840n_firmware:6_eu_0.9.1_4.16