CVE-2017-14117 json
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 unauthent…
published 9y ago modified 4mo ago also EUVD-2017-5629
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.0%
- EPSS 8.0% chance of exploitation in 30 days, percentile 94%
- public exploits
- 1
- Metasploit
Summary
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.
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Check with FencerTimeline
- First public exploit (Metasploit auxiliary/scanner/wproxy/att_open_proxy)
- Published
Exploit prediction
8.02% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit auxiliary/scanner/wproxy/att_open_proxy Open WAN-to-LAN proxy on AT&T routers metasploit auxiliary, normal rank, 2017-08-31
- nomotion.net https://www.nomotion.net/blog/sharknatto/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
nomotion.net
/blog/sharknatto/
exploit, mitigation, technical-description, third-party-advisory
-
threatpost.com
/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
third-party-advisory
-
securityfocus.com
/bid/100585
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-14117
- NVD CVE-2017-14117
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