CVE-2019-17147

Current Description

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.

Basic Data

PublishedJanuary 07, 2020
Last ModifiedJanuary 14, 2020
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-120
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score9.3
SeverityHIGH
Exploitability Score8.6
Impact Score10.0
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • AND
    • OR - Configuration 1
      Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
      2.3OSTp-linkTl-wr841n Firmware0.9.1_4.16*******
    • OR Running on/with:
      Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
      2.3HardwareTp-linkTl-wr841n-*******

Vulnerable Software List

VendorProductVersions
Tp-link Tl-wr841n Firmware 0.9.1_4.16

References

NameSourceURLTags
N/AN/Ahttps://www.zerodayinitiative.com/advisories/ZDI-19-992/Third Party Advisory Product
N/AN/Ahttps://www.tp-link.com/us/support/download/tl-wr841n/#FirmwareVDB Entry