CVE-2002-2159 — 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

Back Back to CVE browser

HIGH

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

Published Nov 16, 2005

10.0

HIGH

CVSS 2.0

EPSS 2.44%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.44% 0.02444

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02444

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.44% (0.02444)	83.75th	v5 (v2026.06.15)
Jun 15, 2026	2.44% (0.02444)	82.15th	v5 (v2026.06.15)
Mar 17, 2025	1.13% (0.01128)	76.81th	v4 (v2025.03.14)
Dec 12, 2024	1.01% (0.01007)	84.35th	v3 (v2023.03.01)
Apr 19, 2024	1.09% (0.01095)	84.23th	v3 (v2023.03.01)
Apr 11, 2023	1.09% (0.01095)	82.22th	v3 (v2023.03.01)
Mar 7, 2023	1.03% (0.01027)	81.52th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://www.iss.net/security_center/static/9330.php
vdb-entryx_refsource_XF
http://www.securiteam.com/securitynews/5OP022K7GE.html
x_refsource_MISCVendor Advisory
http://www.securityfocus.com/bid/4987
vdb-entryx_refsource_BID

Link	Providers	Tags
http://www.iss.net/security_center/static/9330.php		vdb-entryx_refsource_XF
http://www.securiteam.com/securitynews/5OP022K7GE.html		x_refsource_MISCVendor Advisory
http://www.securityfocus.com/bid/4987		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 16, 2005

Updated Aug 8, 2024

Reserved Nov 16, 2005

Link CVE-2002-2159

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-2159

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-2159