Auth bypass in TP-Link Tl-Wr849n

CVE-2019-19143

TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.

Vulnerability class: Broken Authentication

EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

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, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-19143?
CVE-2019-19143 is a medium-severity vulnerability in TP-Link Tl-Wr849n, classified under Missing Authentication for Critical Function. CVSS score: 6.1/10. Published 2020-01-27.
How severe is CVE-2019-19143?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-19143 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.