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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| 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:*:*:*:*:*:*:* |