CVE-2002-1312

Buffer overflow in the Web management interface in Linksys BEFW11S4 wireless access point router 2 and BEFSR11, BEFSR41, and BEFSRU31 EtherFast Cable/DSL routers with firmware before 1.43.3 with remote management enabled allows remote attackers to cause a denial of service (router crash) via a long password.

Published: 2002-11-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-1312 is rated Moderate Risk (47.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.97%). Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2002-1312

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 1.22% 1.97% +0.74%
2 2025-03-30 1.08% 1.22% +0.14%
3 2025-03-29 1.08%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1312

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-2002-1312

Affected software / configurations for CVE-2002-1312

Vendor Product Version Raw CPE
linksys befn2ps4 1.42.7 cpe:2.3:h:linksys:befn2ps4:1.42.7:*:*:*:*:*:*:*
linksys befsr11 1.42.7 cpe:2.3:h:linksys:befsr11:1.42.7:*:*:*:*:*:*:*
linksys befsr11 1.43 cpe:2.3:h:linksys:befsr11:1.43:*:*:*:*:*:*:*
linksys befsr41 1.42.7 cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:*
linksys befsr41 1.43 cpe:2.3:h:linksys:befsr41:1.43:*:*:*:*:*:*:*
linksys befsr81 2.42.7.1 cpe:2.3:h:linksys:befsr81:2.42.7.1:*:*:*:*:*:*:*
linksys befsru31 1.42.7 cpe:2.3:h:linksys:befsru31:1.42.7:*:*:*:*:*:*:*
linksys befsru31 1.43 cpe:2.3:h:linksys:befsru31:1.43:*:*:*:*:*:*:*
linksys befsx41 1.42.7 cpe:2.3:h:linksys:befsx41:1.42.7:*:*:*:*:*:*:*
linksys befvp41 1.42.7 cpe:2.3:h:linksys:befvp41:1.42.7:*:*:*:*:*:*:*
linksys befw11s4 1.4.2.7 cpe:2.3:h:linksys:befw11s4:1.4.2.7:*:*:*:*:*:*:*
linksys befw11s4 1.4.3 cpe:2.3:h:linksys:befw11s4:1.4.3:*:*:*:*:*:*:*
linksys hpro200 1.42.7 cpe:2.3:h:linksys:hpro200:1.42.7:*:*:*:*:*:*:*

References for CVE-2002-1312

cvelogic Threat Intelligence