CVE-2006-2054
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · unedited3Com Baseline Switch 2848-SFP Plus Model #3C16486 with firmware before 1.0.2.0 allows remote attackers to cause a denial of service (unstable operation) via long DHCP packets.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA remote denial of service vulnerability in 3Com Baseline Switch 2848-SFP Plus (Model #3C16486) with firmware before version 1.0.2.0 allows remote attackers to cause unstable operation by sending oversized DHCP packets.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 1.0.2CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
AV:N/AC:L/Au:N/C:N/I:N/A:P
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Identify the switch modelLog into the switch management interface or check the physical device label for model number 3C16486. Use command 'show system' or check the web UI for device information.Affected if The device is not a 3Com Baseline Switch 2848-SFP Plus (model 3C16486)
-
Check the installed firmware versionAccess the switch CLI and run 'show version' or check the web UI firmware/diagnostics section. Locate the firmware version string.Affected if The firmware version is earlier than 1.0.2.0 (for example, 1.0.1.x or older)
-
Verify DHCP processing is enabledCheck the switch configuration for DHCP-related features. In CLI, use 'show ip helper-address' or 'show dhcp-relay' to see if DHCP relay is configured. In web UI, look under DHCP or Relay settings.Affected if DHCP relay, DHCP snooping, or IP helper is enabled, meaning the switch processes DHCP broadcast traffic
-
Confirm network exposure of management interfaceCheck if the switch management IP is accessible from untrusted networks. Review VLAN configuration and access control lists using 'show management' or 'show ip access-list'.Affected if Management interface is reachable from external or untrusted network segments
You are affected if you own a 3Com 3C16486 switch running firmware before version 1.0.2.0 and the switch has DHCP processing or relay features enabled on accessible network ports.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpgrade the switch firmware to version 1.0.2.0 or later. If firmware is unavailable, implement network segmentation to isolate the affected switch from untrusted DHCP traffic sources.
- Consultation3.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,304.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-2054 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2006-2054 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data