CVEvulnerability
CVE-2017-14116
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-09-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.1 HIGH — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-798
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.
Affected configurations
• att u-verse firmware 9.2.2h0d83
Related
Weakness · CWE (1)
- CWE-798 Use of Hard-coded Credentials weakness
References
- http://www.securityfocus.com/bid/100585 Third 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/100585 Third 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