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CVE-2019-17147

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published1/7/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

tp-link:tl-wr841ntp-link:tl-wr841n_firmware

Weaknesses (CWE)

CWE-120CWE-120

References

https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware(zdi-disclosures@trendmicro.com)

https://www.zerodayinitiative.com/advisories/ZDI-19-992/(zdi-disclosures@trendmicro.com)

https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-19-992/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.