CVE-2017-14116

Name: CVE-2017-14116
Creator: NVD / NIST
Published: 2017-09-03T19:29:00.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.34%

Last modified Jun 17, 2026

CVE-2017-14116 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.34% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.34%

87.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Att	U-Verse Firmware	9.2.2h0d83

References

http://www.securityfocus.com/bid/100585Third Party Advisory, VDB Entry
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/Third Party Advisory
https://www.nomotion.net/blog/sharknatto/Exploit, Mitigation, Technical Description, Third Party Advisory
http://www.securityfocus.com/bid/100585Third Party Advisory, VDB Entry
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/Third Party Advisory
https://www.nomotion.net/blog/sharknatto/Exploit, Mitigation, Technical Description, Third Party Advisory

Timeline

Published: Sep 3, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14116?

How severe is CVE-2017-14116?

Severity scoring for CVE-2017-14116 is pending analysis. The EPSS model estimates a 3.34% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14116?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14116?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST