CVE-2023-25280
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 · uneditedOS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.
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 confidenceOS Command injection vulnerability in D-Link DIR820LA1_FW105B03 firmware allows unauthenticated attackers to inject arbitrary OS commands through the ping_addr parameter in the ping.ccp web interface component, achieving root privilege escalation.
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= 1.05b03CVSS 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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Confirm device model is DIR-820LAccess the device web interface or check the device label to verify the exact model number is D-Link DIR-820LAffected if Device model is not DIR-820L
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Identify installed firmware versionLog into the device web interface and navigate to the Status or Firmware Upgrade section to view the current firmware versionAffected if Firmware version equals 1.05b03
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Verify ping.ccp functionality is accessibleAttempt to access the ping.ccp endpoint or check if ping functionality is exposed through the web interface or remote managementAffected if ping.ccp functionality is exposed and accessible remotely or via the web interface
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Confirm remote access is enabledCheck device network settings for remote management or remote access configuration optionsAffected if Remote management or remote access to web interface is enabled, allowing external access to ping.ccp
A user is affected if they have a D-Link DIR-820L device running firmware version 1.05b03 with the ping.ccp functionality accessible either locally or remotely.
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.
dbcve · scopedApply vendor firmware patch when available; alternatively, disable or restrict access to the ping functionality at the network perimeter or replace affected devices if no patch is forthcoming.
- 1. Identify all D-Link DIR-820L devices on the network running firmware version 1.05b03.
- 2. Isolate affected devices from untrusted networks by placing them behind a properly configured firewall.
- 3. Disable remote management/admin interfaces (HTTP/HTTPS WAN access) if enabled.
- 4. If the device's remote management features are not required, disable them entirely.
- 5. Monitor network traffic for suspicious activity targeting the ping.ccp functionality.
- 6. Consider replacing the affected device with a currently-supported router that receives security updates.
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-25280 — 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-2023-25280 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
- No weaponised exploit code, or anything meant to cause harm
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