Vulnerability Details : CVE-2020-36178
Potential exploit
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.
Products affected by CVE-2020-36178
- cpe:2.3:o:tp-link:tl-wr840n_firmware:6_eu_0.9.1_4.16:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-36178
12.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-36178
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-36178
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-36178
-
https://therealunicornsecurity.github.io/TPLink/
Reversing TL-WR840N – Unicorn Security – Breaching UnicornsExploit;Third Party Advisory
-
https://www.tp-link.com/fr/support/download/tl-wr840n/v6/#Firmware
Téléchargement pour TL-WR840N | TP-Link FranceVendor Advisory
-
https://github.com/therealunicornsecurity/therealunicornsecurity.github.io/blob/master/_posts/2020-10-11-TPLink.md
therealunicornsecurity.github.io/2020-10-11-TPLink.md at master · therealunicornsecurity/therealunicornsecurity.github.io · GitHubExploit;Third Party Advisory
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