CVE-2004-0641

Exp

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.

Published: 2004-08-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0641 is rated High Exploit Risk (69.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.61%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2004-0641

EDB-ID Source Kind Published Link
19522 exploit_db edb 1999-09-27 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0641

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.25% 2.61% -4.64%
2 2025-07-18 4.25% 7.25% +3.00%
3 2025-03-30 — 4.25% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0641

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2004-0641

Affected software / configurations for CVE-2004-0641

Vendor Product Version Raw CPE
thomson speedtouch 510_adsl_router cpe:2.3:h:thomson:speedtouch:510_adsl_router:*:*:*:*:*:*:*

References for CVE-2004-0641

cvelogic Threat Intelligence