CVE-2025-9935: totolink n600r firmware

csirt@kutim:~/threat-intel/cve/CVE-2025-9935

CVSS 9.8 · Critical EPSS 3,0%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada totolink n600r firmware. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

A vulnerability was determined in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function sub_4159F8 of the file /web_cste/cgi-bin/cstecgi.cgi. Executing manipulation can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

Rincian

Terbit di NVD: 4 September 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 9.8 (Critical), sumber NVD
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-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
EPSS (30 hari): 3,0% peluang dieksploitasi; lebih tinggi dari 87,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
totolink	n600r firmware	Versi 4.3.0cu.7866_b20220506

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/mono7s/TOTOLINK/blob/main/N600R/TOTOLINK%20N600R%20Unauthorized_Command_Injection.md exploit · advisory pihak ketiga
https://vuldb.com/?id.322337 advisory pihak ketiga · vdb entry
https://vuldb.com/?submit.643088 advisory pihak ketiga · vdb entry
https://vuldb.com/?ctiid.322337 permissions required · vdb entry
https://www.totolink.net/ product

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.