How severe is CVE-2016-4863?

CVE-2016-4863 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-4863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4863?

CVE-2016-4863 affects Toshiba Flashair. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4863?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-4863 published?

CVE-2016-4863 was published on 2017-05-22 and last updated on 2026-06-17.

CVE-2016-4863

CVE-2016-4863 is a medium-severity vulnerability in Toshiba Flashair with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Toshiba Flashair
Published: 2017-05-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-4863?: 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.
How severe is CVE-2016-4863?: CVE-2016-4863 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-4863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4863?: CVE-2016-4863 affects Toshiba Flashair. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4863 published?: CVE-2016-4863 was published on 2017-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:toshiba:flashair:*:*:*:*:*:*:*:*

More vulnerabilities in Toshiba Flashair

CVE-2017-2149 — High (CVSS 8.8): Untrusted search path vulnerability in installers of the software for SDHC/SDXC Memory Card with embedded NFC…
CVE-2017-2162 — Medium (CVSS 4.3): FlashAirTM SDHC Memory Card (SD-WE Series <W-03>) V3.00.02 and earlier and FlashAirTM SDHC Memory Card (SD-WD/WC Series…
CVE-2017-2161 — Low (CVSS 3.5): FlashAirTM SDHC Memory Card (SD-WE Series <W-03>) V3.00.02 and earlier and FlashAirTM SDHC Memory Card (SD-WD/WC Series…

All CVEs affecting Toshiba Flashair →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-20317 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-19977 — Critical (CVSS 10.0): A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function…
CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →