CVE-2017-14117

Name: CVE-2017-14117
Creator: NVD / NIST
Published: 2017-09-03T19:29:00.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.02%

Last modified Jun 17, 2026

CVE-2017-14117 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.02% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

8.02%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

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-2017-14117?

How severe is CVE-2017-14117?

Severity scoring for CVE-2017-14117 is pending analysis. The EPSS model estimates a 8.02% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14117?

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-2017-14117?

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

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Source: NVD / NIST