CVE-2026-12221 — Katalog CVE

csirt@kutim:~/threat-intel/cve/CVE-2026-12221

CVSS 8.0 · High EPSS 0,37%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer. Skor CVSS 3.1 8.0 (High) menurut vuldb.com.

Deskripsi (NVD)

A vulnerability was found in Yealink SIP-T46U 108.86.0.118. This impacts the function sprintf of the file /api/upgrade/upgrade of the component Firmware Chunk Upload Handler. Performing a manipulation of the argument uid/start_offset results in stack-based buffer overflow. The attack needs to be approached within the local network. The exploit has been made public and could be used. The vendor was contacted early about this disclosure and is working on a patch to fix it.

Rincian

Terbit di NVD: 15 Juni 2026
Terakhir diubah: 24 Juli 2026
Status NVD: Deferred
CVSS 3.1: 8.0 (High), sumber vuldb.com
CVSS:3.1/AV:A/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): 0,37% peluang dieksploitasi; lebih tinggi dari 29,1% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

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.