CVE-2017-14116: att u-verse_firmware Use of Hard-coded Credentials
Vulnerability summary
CVE-2017-14116 is a high (CVSS 9.3) Use of Hard-coded Credentials vulnerability in att u-verse_firmware. EPSS estimates a 3.34% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 03-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.34%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.34% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (nomotion.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Att1 product
- u-verse_firmware9.2.2h0d83
1 vendor · 1 product
References
3 links- threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/X Refsource MISCThird Party Advisory
- www.nomotion.net/blog/sharknatto/X Refsource MISCExploitMitigationTechnical DescriptionThird Party Advisory