Linksys EtherFast BEFN2PS4, BEFSR41, and BEFSR81 Routers, and possibly other products, allow remote attackers to gain sensitive information and cause a denial of service via an SNMP query for the default community string "public," which causes the router to change its configuration and send SNMP trap information back to the system that initiated the query.
CVE-2002-0109 is a security vulnerability that . Impacting 3 products from linksys, from linksys, from linksys organizations running these solutions should prioritize assessment and patching.
Originally identified in 2002, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.
2002-03-25T05:00:00.000
2026-04-16T00:27:16.627
Modified
CVSSv2: 6.4 (MEDIUM)
AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Hardware | linksys | befn2ps4 | 0.0 | Yes |
| Hardware | linksys | befsr41 | 0.0 | Yes |
| Hardware | linksys | befsr81 | * | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linksys's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.