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Classic Buffer OverflowWeakness · CWE-120

CVE-2025-25525

MEDIUM · 5.1 CVSS v3.1 Published 2025-02-11
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
56/100
Remediation priority · Elevated
No privileges Zero-click

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 · unedited
Buffer overflow vulnerability in H3C FA3010L access points SWFA1B0V100R005 due to the lack of length verification, which is related to the setting of firewall rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

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 confidence

Buffer overflow vulnerability in H3C FA3010L access points (firmware SWFA1B0V100R005) stems from missing length validation when configuring firewall rules. Attackers can trigger the overflow remotely to cause device crashes or achieve arbitrary command execution.

MitigationApply vendor-supplied firmware patch when available; until then, restrict network access to management interfaces via ACLs and deploy compensating network segmentation controls to minimize exposure to untrusted networks.

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
Local
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify device model
    Log into the AP management interface or check device inventory to confirm the model is H3C FA3010L
    Affected if Device model is H3C FA3010L
  2. Check firmware version
    Access the AP web interface or CLI and locate the firmware/version information. Compare against SWFA1B0V100R005
    Affected if Firmware version is SWFA1B0V100R005 or earlier (no patch available)
  3. Verify firewall rule configuration is accessible
    Check if the AP management interface exposes firewall rule configuration pages or CLI commands. Determine if these are reachable from untrusted network segments
    Affected if Firewall rule configuration interface is exposed to untrusted networks
  4. Check for device instability or compromise
    Review system logs for unexpected reboots, crashes, or unfamiliar processes. Monitor for anomalous management access or configuration changes
    Affected if Device exhibits unexplained crashes, reboots, or suspicious configuration changes

You are affected if you have an H3C FA3010L AP running firmware SWFA1B0V100R005 with its management/firewall configuration interface accessible to untrusted networks.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-supplied firmware patch when available; until then, restrict network access to management interfaces via ACLs and deploy compensating network segmentation controls to minimize exposure to untrusted networks.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,130
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-25525 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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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