Improper input validation in Technicolor Tc7230 Steb
CVE-2019-19495
The web interface on the Technicolor TC7230 STEB 01.25 is vulnerable to DNS rebinding, which allows a remote attacker to configure the cable modem via JavaScript in a victim's browser. The attacker can then configure the cable modem to port forward the modem's internal TELNET server, allowing external access to a root shell.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.043 (90.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Technicolor Tc7230_steb
- Technicolor Tc7230_steb_firmware — versions 0.1.25
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2019-19495?
- CVE-2019-19495 is a critical-severity vulnerability in Technicolor Tc7230 Steb, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2020-01-08.
- How severe is CVE-2019-19495?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-19495 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.