CVE-2017-14116

8.1 HIGH
Published: September 03, 2017 Modified: May 13, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/100585
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
Source: cve@mitre.org
Third Party Advisory
https://www.nomotion.net/blog/sharknatto/
Source: cve@mitre.org
Exploit Mitigation Technical Description Third Party Advisory
http://www.securityfocus.com/bid/100585
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.nomotion.net/blog/sharknatto/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mitigation Technical Description Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
3.3%
87th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-798

Affected Vendors

commscope att

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