Buffer overflow in TL-WR841N - CVE-2019-17147
Published: November 28, 2019 / Updated: February 6, 2021
Vulnerability identifier: #VU23056
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-17147
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vendor: TP-Link
Affected software:
TL-WR841N
TL-WR841N
Detailed vulnerability description
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.
How to mitigate CVE-2019-17147
Install updates from vendor's website.