HOMEVULNERABILITIESCVE-2019-19495
CRITICAL

CVE-2019-19495

CWE-20Published: January 8, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-19495 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

technicolor2 product(s)
tc7230 steb firmwaretc7230 steb
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://cablehaunt.com
ADVISORYhttps://github.com/Lyrebirds/Cable-Haunt-Report/releases/download/2.4/report.pdf
ADVISORYhttps://github.com/Lyrebirds/Fast8690-exploit
ADVISORYhttps://cablehaunt.com
ADVISORYhttps://github.com/Lyrebirds/Cable-Haunt-Report/releases/download/2.4/report.pdf
ADVISORYhttps://github.com/Lyrebirds/Fast8690-exploit

All References (6)

→
https://cablehaunt.comThird Party Advisory
→
https://github.com/Lyrebirds/Cable-Haunt-Report/releases/download/2.4/report.pdfExploit · Issue Tracking · Third 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.pdfExploit · Issue Tracking · Third Party Advisory
→
https://github.com/Lyrebirds/Fast8690-exploitThird Party Advisory

Quick Facts

CVE IDCVE-2019-19495
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedJan 8, 2020

Related CVEs (CWE-20)

CVE-2007-1257
10.0
CVE-2007-2967
10.0
CVE-2004-1019
10.0
CVE-2005-0050
10.0
CVE-2009-0311
10.0
CVE-2008-4358
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-19495 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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