Information disclosure in Att U-Verse Firmware
CVE-2017-10793
The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589, NVG599, and unspecified other devices, when IP Passthrough mode is not used, configures an sbdc.ha WAN TCP service on port 61001 with the bdctest account and the bdctest password, which allows remote attackers to obtain sensitive information (such as the Wi-Fi password) by leveraging knowledge of a hardware identifier, related to the Bulk Data Collection (BDC) mechanism defined in Broadband Forum technical reports.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Att U-Verse Firmware — versions 9.2.2h0d83
- Commscope Arris Nvg589
- Commscope Arris Nvg599
Weakness classification (CWE)
References
- threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-at… (Third Party Advisory)
- www.securityfocus.com/bid/100585 (VDB Entry, Third Party Advisory, vdb-entry)
- www.nomotion.net/blog/sharknatto/ (Technical Description, Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2017-10793?
- CVE-2017-10793 is a high-severity vulnerability in Att U-Verse Firmware, classified under Information Disclosure. CVSS score: 8.1/10. Published 2017-09-03.
- How severe is CVE-2017-10793?
- High severity. CVSS v3 base score is 8.1 out of 10.