CVE-2017-14117

Public Exploit

Description

The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures an unauthenticated proxy service on WAN TCP port 49152, which allows remote attackers to establish arbitrary TCP connections to intranet hosts by sending \x2a\xce\x01 followed by other predictable values.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 31.91% Top 5%
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 third party advisory vdb entry
https://www.nomotion.net/blog/sharknatto/ exploit mitigation third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2017-14117?
CVE-2017-14117 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14117?
To fix CVE-2017-14117, 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-2017-14117 being actively exploited in the wild?
It is possible that CVE-2017-14117 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~32% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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