CVE-2025-28034: totolink a800r firmware +5 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2025-28034

CVSS 9.8 · Critical EPSS 1,3%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada totolink a800r firmware, totolink a810r firmware +4 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut CISA ADP.

Deskripsi (NVD)

TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a pre-auth remote command execution vulnerability in the NTPSyncWithHost function through the hostTime parameter.

Rincian

Terbit di NVD: 22 April 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 9.8 (Critical), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
EPSS (30 hari): 1,3% peluang dieksploitasi; lebih tinggi dari 70,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
totolink	a800r firmware	Versi 4.1.2cu.5137_b20200730
totolink	a810r firmware	Versi 4.1.2cu.5182_b20201026
totolink	a830r firmware	Versi 4.1.2cu.5182_b20201102
totolink	a950rg firmware	Versi 4.1.2cu.5161_b20200903
totolink	a3000ru firmware	Versi 5.9c.5185_b20201128
totolink	a3100r firmware	Versi 4.1.2cu.5247_b20211129

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://locrian-lightning-dc7.notion.site/RCE2-1a98e5e2b1a280bebf53d868f1b1a711?pvs=74 exploit · advisory pihak ketiga
https://locrian-lightning-dc7.notion.site/CVE-2025-28034-RCE2-1a98e5e2b1a280bebf53d868f1b1a711 exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.