CVE-2019-19494

HIGH
8.8
CVSS Score
Published: January 9, 2020 at 12:11 PM UTC
Updated: June 17, 2026 at 02:26 AM UTC
14 products affected across 4 vendorsF @st 3686 FirmwareTC7230 Steb FirmwareC6250EMR Firmware

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 23%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

compal-7284e (same device)
compal-7486e (same device)
netgear-c6250emr (same device)
netgear-cg3700emr (same device)
sagemcom-f-st-3686 (same device)
v < 05.76.6.3fv < 50.10.21_t4
Affected range stops below 05.76.6.3f, so it looks safe — our inference, not a vendor statement
Affected range stops below 50.10.21_t4, so it looks safe — our inference, not a vendor statement
sagemcom-f-st-3890 (same device)
technicolor-tc7230-steb (same device)
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
https://cablehaunt.com
x_refsource_MISCExploitThird Party Advisory
https://github.com/Lyrebirds/Fast8690-exploit
x_refsource_MISCProduct
https://www.broadcom.com

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card