Skip to content
Fencer Vulns
high 8.8

CVE-2019-19494 in the critical feed json

Broadcom based cable modems across multiple vendors are vulnerable to a buffer overflow, which allows a remote attacker to execute arbitrar…

published 2020-01-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9114

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
23.1%
EPSS 23.1% chance of exploitation in 30 days, percentile 97%
public exploits
1
Metasploit

Summary

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.

Patch / fix

  • sagemcom f@st_3890_firmware 05.76.6.3f, 50.10.21_t4

Timeline

  1. First public exploit (Metasploit auxiliary/dos/http/cable_haunt_websocket_dos)
  2. Published

Exploit prediction

23.10% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.