CVE-2017-14116

Public Exploit

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.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 4.02% Top 15%
Third-Party Advisory securityfocus.com Third-Party Advisory threatpost.com Third-Party Advisory nomotion.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/ third party advisory
http://www.securityfocus.com/bid/100585 vdb entry third party advisory
https://www.nomotion.net/blog/sharknatto/ mitigation exploit third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2017-14116?
CVE-2017-14116 has been scored as a high severity vulnerability.
How to fix CVE-2017-14116?
To fix CVE-2017-14116, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14116 being actively exploited in the wild?
It is possible that CVE-2017-14116 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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