CVE-2022-43636: tp-link tl-wr940n firmware

csirt@kutim:~/threat-intel/cve/CVE-2022-43636

CVSS 8.8 · High EPSS 0,91%

Kerentanan Use of Insufficiently Random Values pada tp-link tl-wr940n firmware. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of sufficient randomness in the sequnce numbers used for session managment. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-18334.

Rincian

Terbit di NVD: 29 Maret 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-330: Use of Insufficiently Random Values
EPSS (30 hari): 0,91% peluang dieksploitasi; lebih tinggi dari 58,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
tp-link	tl-wr940n firmware	Versi 6_211111_3.20.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.zerodayinitiative.com/advisories/ZDI-22-1614/ advisory pihak ketiga · vdb entry

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.