What is CVE-2017-14116?

CVE-2017-14116 is a high-severity vulnerability in Att U-Verse Firmware, classified under Use of Hard-coded Credentials. CVSS score: 8.1/10. Published 2017-09-03.

How severe is CVE-2017-14116?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Att U-Verse Firmware

CVE-2017-14116

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: 0.033 (87.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Att U-verse_firmware — versions 9.2.2h0d83
Commscope Arris_nvg599
N/a — versions n/a

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2017-14116?: CVE-2017-14116 is a high-severity vulnerability in Att U-Verse Firmware, classified under Use of Hard-coded Credentials. CVSS score: 8.1/10. Published 2017-09-03.
How severe is CVE-2017-14116?: High severity. CVSS v3 base score is 8.1 out of 10.