CVE-2026-5103: totolink a3300r firmware

csirt@kutim:~/threat-intel/cve/CVE-2026-5103

CVSS 8.8 · High EPSS 3,6%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada totolink a3300r firmware. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Rincian

Terbit di NVD: 30 Maret 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/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): 3,6% peluang dieksploitasi; lebih tinggi dari 89,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
totolink	a3300r firmware	Versi 17.0.0cu.557_b20221024

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_enable_cmd_inject exploit · advisory pihak ketiga
https://vuldb.com/vuln/354128 advisory pihak ketiga · vdb entry
https://vuldb.com/vuln/354128/cti advisory pihak ketiga · vdb entry
https://vuldb.com/submit/779140 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.