CVE-2002-1236

Exp

The remote management web server for Linksys BEFSR41 EtherFast Cable/DSL Router before firmware 1.42.7 allows remote attackers to cause a denial of service (crash) via an HTTP request to Gozila.cgi without any arguments.

Published: 2002-11-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1236 is rated High Exploit Risk (69.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.12%, 93th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.94% over the last day, indicating growing attacker interest. 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-2002-1236

EDB-ID Source Kind Published Link
21975 exploit_db edb 2002-11-01 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-1236

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 5.19% 7.12% +1.94%
2 2025-03-30 6.79% 5.19% -1.61%
3 2025-03-29 — 6.79% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1236

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-1236

Affected software / configurations for CVE-2002-1236

Vendor Product Version Raw CPE
linksys befsr41 1.40.2 cpe:2.3:h:linksys:befsr41:1.40.2:*:*:*:*:*:*:*
linksys befsr41 1.41 cpe:2.3:h:linksys:befsr41:1.41:*:*:*:*:*:*:*
linksys befsr41 1.42.3 cpe:2.3:h:linksys:befsr41:1.42.3:*:*:*:*:*:*:*
linksys befsr41 1.42.7 cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:*

References for CVE-2002-1236

cvelogic Threat Intelligence