CVE-2019-18990: realtek rtl8812ar firmware +3 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2019-18990

CVSS 5.4 · Medium EPSS 0,75%

Kerentanan Authentication Bypass by Spoofing pada realtek rtl8812ar firmware, realtek rtl8196d firmware +2 lainnya. Skor CVSS 3.1 5.4 (Medium) menurut NVD.

Deskripsi (NVD)

A partial authentication bypass vulnerability exists on Realtek RTL8812AR 1.21WW, RTL8196D 1.0.0, RTL8192ER 2.10, and RTL8881AN 1.09 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.

Rincian

Terbit di NVD: 30 September 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.4 (Medium), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-290: Authentication Bypass by Spoofing
EPSS (30 hari): 0,75% peluang dieksploitasi; lebih tinggi dari 53,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
realtek	rtl8812ar firmware	Versi 1.21ww
realtek	rtl8196d firmware	Versi 1.0.0
realtek	rtl8192er firmware	Versi 2.10
realtek	rtl8881an firmware	Versi 1.09

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/ advisory pihak ketiga

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.