CVE-2019-19495 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Technicolor	Tc7230 Steb Firmware	0.1.25
Technicolor	Tc7230 Steb	-

Related Weaknesses (CWE)

CWE-20

References

https://cablehaunt.comThird Party Advisory
https://github.com/Lyrebirds/Cable-Haunt-Report/releases/download/2.4/report.pdfExploitIssue TrackingThird Party Advisory
https://github.com/Lyrebirds/Fast8690-exploitThird Party Advisory
https://cablehaunt.comThird Party Advisory
https://github.com/Lyrebirds/Cable-Haunt-Report/releases/download/2.4/report.pdfExploitIssue TrackingThird Party Advisory
https://github.com/Lyrebirds/Fast8690-exploitThird Party Advisory

FAQ

What is CVE-2019-19495?

CVE-2019-19495 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ca...

How severe is CVE-2019-19495?

CVE-2019-19495 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-19495?

Check the references section above for vendor advisories and patch information. Affected products include: Technicolor Tc7230 Steb Firmware, Technicolor Tc7230 Steb.