CVE-2019-17147CWE-120

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-LINK TL-WR841N routers

High · published January 7, 2020

CVSS v3.0
8.8
EPSS
14%
Percentile
96.5
In the wild
Unconfirmed
What it is

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-LINK TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web service, which listens on TCP port 80 by default. When parsing the Host request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length static buffer. An attacker can leverage this vulnerability to execute code in the context of the admin user. Was ZDI-CAN-8457.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.13651 · 96.5th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2020-01-07T23:05Z
EPSS history
Timeline
  • 07 JAN 23:05Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-LINK TL-WR841N routers
    cvelistv5