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CVE-2002-2159: Linksys EtherFast Cable/DSL BEFSR11, BEFSR41 and BEFSRU31 with the firmware 1.42.7 upgrade installed opens…
CVE-2002-2159 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Linksys Befsr11. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
Linksys EtherFast Cable/DSL BEFSR11, BEFSR41 and BEFSRU31 with the firmware 1.42.7 upgrade installed opens TCP port 5678 for remote administration even when the "Block WAN" and "Remote Admin" options are disabled, which allows remote attackers to gain access.
Severity breakdown
CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C
- Access vector: Network. Exploitable remotely over the network.
- Access complexity: Low. No special conditions are required.
- Authentication: None. No authentication is needed.
- Confidentiality impact: Complete. Total information disclosure.
- Integrity impact: Complete. Total loss of integrity.
- Availability impact: Complete. Total shutdown of the component.
Affected products
- Linksys Befsr11: 1.42.7
- Linksys Befsr41: 1.42.7
- Linksys Befsru31: 1.42.7