SB2019112810 - Remote code execution TP-LINK TL-WR841N



SB2019112810 - Remote code execution TP-LINK TL-WR841N

Published: November 28, 2019

Security Bulletin ID SB2019112810
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2019-17147)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper bounds checking by the "http_parser_main" function in the web service. A remote attacker on the local network can send a specially crafted HTTP Host request header, trigger memory corruption and execute arbitrary code in the context of the admin user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.