CVE-2019-17147

Katalog CVE

CVSS 8.8 · High EPSS 13,7%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada tp-link tl-wr841n firmware. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

7 Januari 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

13,7% peluang dieksploitasi; lebih tinggi dari 96,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.zerodayinitiative.com/advisories/ZDI-19-992/ advisory pihak ketiga · vdb entry
• https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware product