Vulnerability Details CVE-2017-14116
The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG599 device, when IP Passthrough mode is not used, configures WAN access to a caserver https service with the tech account and an empty password, which allows remote attackers to obtain root privileges by establishing a session on port 49955 and then installing new software, such as BusyBox with "nc -l" support.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.04
EPSS Ranking 87.9%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 9.3
References
- http://www.securityfocus.com/bid/100585
- https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
- https://www.nomotion.net/blog/sharknatto/
- http://www.securityfocus.com/bid/100585
- https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
- https://www.nomotion.net/blog/sharknatto/
Products affected by CVE-2017-14116
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cpe:2.3:h:commscope:arris_nvg599:-
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cpe:2.3:o:att:u-verse_firmware:9.2.2h0d83