CVE Catalog

CVE-2004-0641

High
Published: Translated: NVD NIST

Summary

The Thomson SpeedTouch 510 ADSL Router with firmware GV8BAA3.270, and possibly earlier versions, generates predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

Risk Assessment

An attacker can hijack or spoof TCP sessions, leading to unauthorized access to network traffic and potential data theft.

Recommendation

It is recommended to update the router firmware to the latest available version that fixes this vulnerability, or replace the device with a model that uses secure ISN generation.

Related vulnerabilities

Original NVD description (English source)

Thomson SpeedTouch 510 ADSL Router with firmware GV8BAA3.270, and possibly earlier versions, generates predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS