DNS Rebinding Vulnerability in Technicolor Cable Modem Products
CVE-2019-19495

9.8CRITICAL

Key Information:

Vendor

Technicolor

Status
Tc7230 Steb Firmware
Vendor
CVE Published:
8 January 2020

What is CVE-2019-19495?

The web interface of the Technicolor TC7230 STEB 01.25 is susceptible to a DNS rebinding vulnerability that can be exploited by remote attackers. By leveraging this flaw, an attacker can manipulate the cable modem using JavaScript running in a victim's browser. This manipulation enables the attacker to configure the modem to expose its internal TELNET server to external networks, potentially allowing unauthorized access to a root shell. If exploited, this could lead to significant security risks for users' home networks.

References

https://cablehaunt.com
x_refsource_MISC
https://github.com/Lyrebirds/Fast8690-exploit
x_refsource_MISC
https://github.com/Lyrebirds/Cable-Haunt-Report/releases/...
x_refsource_MISC

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.