High severity8.1NVD Advisory· Published Sep 3, 2017· Updated Jun 17, 2026
CVE-2017-14116
CVE-2017-14116
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.
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Affected products
2- cpe:2.3:o:att:u-verse_firmware:9.2.2h0d83:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.nomotion.net/blog/sharknatto/nvdExploitMitigationTechnical DescriptionThird Party Advisory
- www.securityfocus.com/bid/100585nvdThird Party AdvisoryVDB Entry
- threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/nvdThird Party Advisory
News mentions
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