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CVE-2016-4815

No known exploitation. EPSS puts it in the 82nd percentile. A vendor fix is available.

CVSS 3.07.5HighEPSS percentile82nd2.2% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixVendor fixNo build named by the sources

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • Buffalo Wzr-900dhp2 FirmwareAffected: ≤ 2.16Upgrade to: after 2.16Stated by: NVD
  • Buffalo Wzr-600dhp3 FirmwareAffected: ≤ 2.16Upgrade to: after 2.16Stated by: NVD
  • Buffalo Wzr-s900dhp FirmwareAffected: ≤ 2.16Upgrade to: after 2.16Stated by: NVD
  • Buffalo Wzr-s600dhp FirmwareAffected: ≤ 2.16Upgrade to: after 2.16Stated by: NVD
  • Buffalo Wzr-900dhp FirmwareAffected: ≤ 1.11Upgrade to: after 1.11Stated by: NVD

Versions as the sources state them. 1 more product has version data. Full version matrix after sign-in

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Directory traversal vulnerability on BUFFALO WZR-600DHP3 devices with firmware 2.16 and earlier and WZR-S600DHP devices with firmware 2.16 and earlier allows remote attackers to read arbitrary files via unspecified vectors.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS82nd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

2.2% chance of exploitation activity in the next 30 days, which ranks it in the 82nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 3608 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.0 vector

Open in the CVSS calculator

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Scored 7.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

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We'll flag the next CVE, public exploit or patch for Wzr-900dhp2 Firmware, not every advisory.