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Vulnerability Details : CVE-2016-10174

The NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter when invoking the URL /apply.cgi?/lang_check.html. This buffer overflow can be exploited by an unauthenticated attacker to achieve remote code execution.
Publish Date : 2017-01-29 Last Update Date : 2017-09-02
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 119

- Products Affected By CVE-2016-10174

# Product Type Vendor Product Version Update Edition Language
1 OS Netgear Wnr2000v5 Firmware 1.0.0.34 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Netgear Wnr2000v5 Firmware 1

- References For CVE-2016-10174

http://seclists.org/fulldisclosure/2016/Dec/72
http://kb.netgear.com/000036549/Insecure-Remote-Access-and-Command-Execution-Security-Vulnerability
https://www.exploit-db.com/exploits/41719/
EXPLOIT-DB 41719
https://www.exploit-db.com/exploits/40949/
EXPLOIT-DB 40949
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/netgear-wnr2000.txt
http://www.securityfocus.com/bid/95867
BID 95867 Netgear WNR2000 Multiple Security Vulnerabilities Release Date:2017-02-01

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2016-10174

NETGEAR WNR2000v5 (Un)authenticated hidden_lang_avi Stack Overflow
The NETGEAR WNR2000 router has a buffer overflow vulnerability in the hidden_lang_avi parameter. In order to exploit it, it is necessary to guess the value of a certain timestamp which is in the configuration of the router. An authenticated attacker can simply fetch this from a page, but an unauthenticated attacker has to brute force it. Brute forcing the timestamp token might take a few minutes, a few hours, or days, but it is guaranteed that it can be bruteforced. This module implements both modes, and it works very reliably. It has been tested with the WNR2000v5, firmware versions 1.0.0.34 and 1.0.0.18. It should also work with hardware revisions v4 and v3, but this has not been tested - with these routers it might be necessary to adjust the LibcBase variable as well as the gadget addresses.
Module type : exploit Rank : excellent Platforms : Unix


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