Auth bypass in Toshiba Flashair
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.
Vulnerability class: Broken Authentication
EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Toshiba Flashair
- Toshiba Flashair Class 6 Model — versions firmware version 1.00.04 and later
- Toshiba Flashair Ii Class 10 Model W-02 Series — versions firmware version 2.00.02 and later
- Toshiba Flashair Iii Class 10 Model W-03 Series — versions all firmware versions
- Toshiba Flashair Sd-wd/wc Series Class 10 Model W-02 — versions firmware version 2.00.02 and later
- Toshiba Flashair Sd-wd/wc Series Class 6 Model — versions firmware version 1.00.04 and later
- Toshiba Flashair Sd-we Series Class 10 Model W-03 — versions all firmware versions
- Toshiba Flashair W-02 Series Class 10 Model — versions firmware version 2.00.02 and later
- Toshiba Flashair W-03 Series Class 10 Model — versions all firmware versions
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, x_refsource_JVN, third-party-advisory)
- vultures@jpcert.or.jp (x_refsource_JVNDB, VDB Entry, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2016-4863?
- CVE-2016-4863 is a medium-severity vulnerability in Toshiba Flashair, classified under Improper Authentication. CVSS score: 4.3/10. Published 2017-05-22.
- How severe is CVE-2016-4863?
- Medium severity. CVSS v3 base score is 4.3 out of 10.