Broadcom based cable modems across multiple vendors are vulnerable to a buffer overflow…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sagemcom:f\@st_3890_firmware:*:*:*:*:*:*:*:* | before 50.10.21_t4 | Vulnerable | Sagemcom |
| cpe:2.3:h:sagemcom:f\@st_3890:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Sagemcom |
| cpe:2.3:o:sagemcom:f\@st_3890_firmware:*:*:*:*:*:*:*:* | before 05.76.6.3f | Vulnerable | Sagemcom |
| cpe:2.3:o:sagemcom:f\@st_3686_firmware:3.428.0:*:*:*:*:*:*:* | 3.428.0 | Vulnerable | Sagemcom |
| cpe:2.3:o:sagemcom:f\@st_3686_firmware:4.83.0:*:*:*:*:*:*:* | 4.83.0 | Vulnerable | Sagemcom |
| cpe:2.3:h:sagemcom:f\@st_3686:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Sagemcom |
| cpe:2.3:o:netgear:cg3700emr_firmware:2.01.03:*:*:*:*:*:*:* | 2.01.03 | Vulnerable | NETGEAR |
| cpe:2.3:o:netgear:cg3700emr_firmware:2.01.05:*:*:*:*:*:*:* | 2.01.05 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:cg3700emr:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:c6250emr_firmware:2.01.03:*:*:*:*:*:*:* | 2.01.03 | Vulnerable | NETGEAR |
- cpe:2.3:o:sagemcom:f\@st_3890_firmware:*:*:*:*:*:*:*:* Versions before 50.10.21_t4 Vulnerable ·Sagemcom
- cpe:2.3:h:sagemcom:f\@st_3890:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sagemcom
- cpe:2.3:o:sagemcom:f\@st_3890_firmware:*:*:*:*:*:*:*:* Versions before 05.76.6.3f Vulnerable ·Sagemcom
- cpe:2.3:o:sagemcom:f\@st_3686_firmware:3.428.0:*:*:*:*:*:*:* Versions 3.428.0 Vulnerable ·Sagemcom
- cpe:2.3:o:sagemcom:f\@st_3686_firmware:4.83.0:*:*:*:*:*:*:* Versions 4.83.0 Vulnerable ·Sagemcom
- cpe:2.3:h:sagemcom:f\@st_3686:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sagemcom
- cpe:2.3:o:netgear:cg3700emr_firmware:2.01.03:*:*:*:*:*:*:* Versions 2.01.03 Vulnerable ·NETGEAR
- cpe:2.3:o:netgear:cg3700emr_firmware:2.01.05:*:*:*:*:*:*:* Versions 2.01.05 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:cg3700emr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:c6250emr_firmware:2.01.03:*:*:*:*:*:*:* Versions 2.01.03 Vulnerable ·NETGEAR
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:c6250emr_firmware:2.01.05:*:*:*:*:*:*:* | 2.01.05 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:c6250emr:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:technicolor:tc7230_steb_firmware:01.25:*:*:*:*:*:*:* | 01.25 | Vulnerable | Technicolor |
| cpe:2.3:h:technicolor:tc7230_steb:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Technicolor |
| cpe:2.3:o:compal:7284e_firmware:5.510.5.11:*:*:*:*:*:*:* | 5.510.5.11 | Vulnerable | Compal |
| cpe:2.3:h:compal:7284e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Compal |
| cpe:2.3:o:compal:7486e_firmware:5.510.5.11:*:*:*:*:*:*:* | 5.510.5.11 | Vulnerable | Compal |
| cpe:2.3:h:compal:7486e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Compal |
- cpe:2.3:o:netgear:c6250emr_firmware:2.01.05:*:*:*:*:*:*:* Versions 2.01.05 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:c6250emr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:technicolor:tc7230_steb_firmware:01.25:*:*:*:*:*:*:* Versions 01.25 Vulnerable ·Technicolor
- cpe:2.3:h:technicolor:tc7230_steb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Technicolor
- cpe:2.3:o:compal:7284e_firmware:5.510.5.11:*:*:*:*:*:*:* Versions 5.510.5.11 Vulnerable ·Compal
- cpe:2.3:h:compal:7284e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Compal
- cpe:2.3:o:compal:7486e_firmware:5.510.5.11:*:*:*:*:*:*:* Versions 5.510.5.11 Vulnerable ·Compal
- cpe:2.3:h:compal:7486e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Compal
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19494
- 2026-10-03 Alias added: GHSA-g2f2-5gp5-vj56
References
Sources
- CVE-2019-19494 · CVE Program
- CVE-2019-19494 · NVD
- FIRST EPSS
- GHSA-g2f2-5gp5-vj56 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences