RCE in Tp-link Tl-wr840n
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 (…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.097 (95.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tp-link Tl-wr840n
- Tp-link Tl-wr840n_firmware — versions 6_eu_0.9.1_4.16
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-36178?
- CVE-2020-36178 is a critical-severity vulnerability in Tp-link Tl-wr840n, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-01-06.
- How severe is CVE-2020-36178?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-36178 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.