Medium severity · published Sep 3, 2017
CVE-2017-14117
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…
5.9
CVSS
8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.0% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UF
U-verse Firmware · Att
9.2.2h0d83 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14117
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14117
Third Party Advisory
http://www.securityfocus.com/bid/100585
Third Party Advisory
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
Exploit
https://www.nomotion.net/blog/sharknatto/
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