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CVE-2022-43443

No known exploitation. EPSS puts it in the 55th percentile. No fix published yet.

CVSS 3.18.8HighEPSS percentile55th0.8% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixNone yetNo fix or workaround published

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

No fixed build or workaround is published yet. Limit exposure and watch for a patch.

  • BUFFALO INC. WXR-11000XE12Affected: firmware Ver. 1.10 and earlierUpgrade to: not statedStated by: CVE record
  • BUFFALO INC. WXR-5700AX7SAffected: firmware Ver. 1.27 and earlierUpgrade to: not statedStated by: CVE record
  • BUFFALO INC. WXR-5700AX7BAffected: firmware Ver. 1.27 and earlierUpgrade to: not statedStated by: CVE record
  • BUFFALO INC. WSR-3200AX4SAffected: firmware Ver. 1.26 and earlierUpgrade to: not statedStated by: CVE record
  • BUFFALO INC. WSR-3200AX4BAffected: firmware Ver. 1.25Upgrade to: not statedStated by: CVE record

Versions as the sources state them. 22 more products have version data. Full version matrix after sign-in

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What it is

From the CVE record

OS command injection vulnerability in Buffalo network devices allows an network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.

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.

EPSS55th
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

0.8% chance of exploitation activity in the next 30 days, which ranks it in the 55th percentile of scored CVEs.

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

Lifecycle

4 events over 850 days, from the signal feeds we watch.

  1. Record updated
  2. Publishedweakness classified, att&ck mapped

Affected products

And 12 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 8.8 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • 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 HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

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

Sources

References in the record

Watch the software you run.

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We'll flag the next CVE, public exploit or patch for WXR-11000XE12, not every advisory.