CVE-2025-12241: totolink a3300r firmware

csirt@kutim:~/threat-intel/cve/CVE-2025-12241

CVSS 8.8 · High EPSS 1,0%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada totolink a3300r firmware. Skor CVSS 3.1 8.8 (High) menurut vuldb.com.

Deskripsi (NVD)

A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This impacts the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. The manipulation of the argument lang results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

Rincian

Terbit di NVD: 27 Oktober 2025
Terakhir diubah: 8 Oktober 2026
Status NVD: Analyzed
CVSS 3.1: 8.8 (High), sumber vuldb.com
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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow
EPSS (30 hari): 1,0% peluang dieksploitasi; lebih tinggi dari 62,7% 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/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setLanguageCfg.md exploit · advisory pihak ketiga
https://vuldb.com/?id.329911 advisory pihak ketiga · vdb entry
https://vuldb.com/?submit.673723 advisory pihak ketiga · vdb entry
https://vuldb.com/?ctiid.329911 permissions required · vdb entry
https://www.totolink.net/ product

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 9 Okt 2026, 00:26 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.