Vr S1000 FirmwareOperating system · Buffalo

CVE-2023-51363

MEDIUM · 6.5 CVSS v3.1 Published 2023-12-26
Fix available
A fix is available. Upgrade to after 2.37 or later.
See remediation →
70/100
Remediation priority · Elevated
No privileges Zero-click Patch available

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
VR-S1000 firmware Ver. 2.37 and earlier allows a network-adjacent unauthenticated attacker who can access the product's web management page to obtain sensitive information.

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

A detailed technical summary for this CVE is being prepared.

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
Vr S1000 FirmwareOperating system
Affected:<= 2.37

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
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

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 · scoped
Upgrade available Upgrade to a release after 2.37
Vendor patch www.buffalo.jp →
Recommended fix Moderate confidence

Firmware version > 2.37 (check Buffalo's official patch page for exact version number)

  1. 1. Access the VR-S1000 web management interface
  2. 2. Navigate to the firmware update or system settings section
  3. 3. Check current firmware version (should be <= 2.37 if vulnerable)
  4. 4. Download firmware update from Buffalo's official support page: https://www.buffalo.jp/news/detail/20231225-01.html
  5. 5. Apply the firmware update following Buffalo's documented upgrade procedure
  6. 6. Verify the firmware version has been updated to the fixed release
Caveat Review Buffalo's firmware release notes for any configuration or functionality changes before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

We can identify the exact fixed release, upgrade, and verify it in staging — typical engagement from $1,600. Get the upgrade done

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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-2023-51363 in production — separate from our analysis above.

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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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