CVE-2019-19494 describes a critical buffer overflow vulnerability in Broadcom-based cable modems from multiple vendors, including Sagemcom, NETGEAR, Technicolor, and COMPAL. This flaw allows a remote attacker to achieve kernel-level arbitrary code execution by tricking a victim into visiting a malicious website that runs specific JavaScript in their browser. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction but leading to complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, a Metasploit module exists for a denial-of-service attack related to this vulnerability, and it has garnered significant community discussion and media coverage, indicating high awareness and potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 50.10.21_t4CPE matchmatch criteria | cpe:2.3:o:sagemcom:f\@st_3890_firmware:*:*:*:*:*:*:*:* | ||
< 05.76.6.3fCPE matchmatch criteria | cpe:2.3:o:sagemcom:f\@st_3890_firmware:*:*:*:*:*:*:*:* | ||
3.428.0CPE matchmatch criteria | cpe:2.3:o:sagemcom:f\@st_3686_firmware:3.428.0:*:*:*:*:*:*:* | ||
4.83.0CPE matchmatch criteria | cpe:2.3:o:sagemcom:f\@st_3686_firmware:4.83.0:*:*:*:*:*:*:* | ||
2.01.03CPE matchmatch criteria | cpe:2.3:o:netgear:cg3700emr_firmware:2.01.03:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.