Is CVE-2016-4863 actively exploited?

No active exploitation of CVE-2016-4863 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2016-4863 be exploited remotely?

Partially. CVE-2016-4863 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2016-4863?

CVE-2016-4863 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2016-4863

MEDIUM

CVE-2016-4863

CWE-287Published: May 22, 2017· Updated: Jun 17, 2026

4.3

CVSS v3.1

Official Description

The Toshiba FlashAir SD-WD/WC series Class 6 model with firmware version 1.00.04 and later, FlashAir SD-WD/WC series Class 10 model W-02 with firmware version 2.00.02 and later, FlashAir SD-WE series Class 10 model W-03, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir II Class 10 model W-02 series with firmware version 2.00.02 and later, FlashAir III Class 10 model W-03 series, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir W-02 series Class 10 model with firmware version 2.00.02 and later, FlashAir W-03 series Class 10 model does not require authentication on accepting a connection from STA side LAN when "Internet pass-thru Mode" is enabled, which allows attackers with access to STA side LAN can obtain files or data.

NVD Source

Technical Analysis

CVE-2016-4863 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.