CVE-2024-45162
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 · uneditedA stack-based buffer overflow issue was discovered in the phddns client in Blu-Castle BCUM221E 1.0.0P220507 via the password field.
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 · high confidenceA stack-based buffer overflow vulnerability exists in the phddns client component of Blu-Castle BCUM221E firmware version 1.0.0P220507. The overflow occurs via the password field, allowing an attacker to overwrite stack memory and potentially execute arbitrary code or cause denial of service.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
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Identify firmware versionCheck the Blu-Castle BCUM221E device firmware version via web UI, device label, or SSH access using 'cat /proc/version' or 'uname -a' if telnet/ssh is availableAffected if Firmware version is 1.0.0P220507 exactly, as this is the only confirmed affected version listed in the CVE summary
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Confirm phddns client is runningList running processes via 'ps' command or check for phddns daemon process on the deviceAffected if The phddns client process is active and running on the device
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Locate phddns configurationSearch for phddns configuration files in typical embedded device locations such as /etc/, /etc/config/, or /var/etc/ using 'find / -name *phd*' or similarAffected if A phddns configuration file exists and contains a password field that can be modified
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Check phddns password field accessibilityExamine the phddns configuration file for the password parameter and verify if it accepts user-supplied input without length validationAffected if The password field in phddns config accepts input exceeding typical buffer boundaries (typically 64+ characters) without validation
The device is affected if it runs Blu-Castle BCUM221E firmware version 1.0.0P220507 with the phddns client enabled and a configurable password field exposed to user input.
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 dataContact Blu-Castle for firmware updates addressing this vulnerability; if unavailable, implement network segmentation to restrict access to the phddns client service and apply input validation as a compensating control.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-45162 — 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-2024-45162 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
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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