CVE-2019-19494

HIGH

Broadcom based cable modems - Buffer Overflow

Title source: llm

Description

Broadcom based cable modems across multiple vendors are vulnerable to a buffer overflow, which allows a remote attacker to execute arbitrary code at the kernel level via JavaScript run in a victim's browser. Examples of affected products include Sagemcom F@st 3890 prior to 50.10.21_T4, Sagemcom F@st 3890 prior to 05.76.6.3f, Sagemcom F@st 3686 3.428.0, Sagemcom F@st 3686 4.83.0, NETGEAR CG3700EMR 2.01.05, NETGEAR CG3700EMR 2.01.03, NETGEAR C6250EMR 2.01.05, NETGEAR C6250EMR 2.01.03, Technicolor TC7230 STEB 01.25, COMPAL 7284E 5.510.5.11, and COMPAL 7486E 5.510.5.11.

Exploits (1)

metasploit WORKING POC
by Alexander Dalsgaard Krog (Lyrebirds), Jens Hegner Stærmose (Lyrebirds), Kasper Kohsel Terndrup (Lyrebirds), Simon Vandel Sillesen (Independent), Nicholas Starke · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/cable_haunt_websocket_dos.rb

Scores

CVSS v3 8.8
EPSS 0.6907
EPSS Percentile 98.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-120
Status published
Products (10)
compal/7284e_firmware 5.510.5.11
compal/7486e_firmware 5.510.5.11
netgear/c6250emr_firmware 2.01.03
netgear/c6250emr_firmware 2.01.05
netgear/cg3700emr_firmware 2.01.03
netgear/cg3700emr_firmware 2.01.05
sagemcom/f\@st_3686_firmware 3.428.0
sagemcom/f\@st_3686_firmware 4.83.0
sagemcom/f\@st_3890_firmware < 50.10.21_t4
technicolor/tc7230_steb_firmware 01.25
Published Jan 09, 2020
Tracked Since Feb 18, 2026