RCE in TP-Link Tl-Wr849n

CVE-2020-9374

On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.420 (98.6th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-9374?
CVE-2020-9374 is a critical-severity vulnerability in TP-Link Tl-Wr849n, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-02-24.
How severe is CVE-2020-9374?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-9374 known to be exploited?
22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.