CVE-2006-4523: The web-based management interface in 2Wire, Inc

This month

MEDIUM 5.0DOWNGRADEMITIGATE

CVE-2006-4523 is a medium-severity flaw (CVSS 5.0) affecting homeportal, officeportal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The web-based management interface in 2Wire, Inc. HomePortal and OfficePortal Series modems and routers allows remote attackers to cause a denial of service (crash) via a CRLF sequence in a GET request.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Published	2006-09-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: 2wire inc

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-09-01 23:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

2wire inc homeportal DOWNGRADE

Affected: all versions · 100s · 100w · 1000 · 1000s · 1000sw · 1000w · 1500w

Fixed in: no fixed release known

Safe to downgrade to: a release before 100s

1. Check installed version

apt-cache policy homeportal || rpm -q homeportal || homeportal --version

2. No fixed release: DOWNGRADE to a release before 100s (Debian / Ubuntu)

apt-cache madison homeportal sudo apt install homeportal=<VERSION_BEFORE_100s> sudo apt-mark hold homeportal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list homeportal sudo dnf downgrade homeportal-<VERSION_BEFORE_100s> sudo dnf versionlock add homeportal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

2wire inc officeportal MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy officeportal || rpm -q officeportal || officeportal --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: 2WIRE Modems/Routers - 'CRLF' Denial of Service

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-4523?

homeportal: downgrade or apply the listed mitigation; officeportal: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4523 being exploited?

CVE-2006-4523 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-4523 affect?

CVE-2006-4523 affects homeportal, officeportal. Severity is medium (CVSS 5.0). The web-based management interface in 2Wire, Inc. HomePortal and OfficePortal Series modems and routers allows remote attackers to cause a denial of service (crash) via a CRLF sequence in a GET request.

How urgent is CVE-2006-4523?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2004-2749 MEDIUM 4.3 DOWNGRADE Directory traversal vulnerability in wra/public/wralogin in 2Wire Gateway, possibly as used in HomePortal and

References

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