Netgear R8000 Password Recovery /passwordrecovered.cgi information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Netgear R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900 and R8000. This vulnerability affects unknown code of the file /passwordrecovered.cgi of the component Password Recovery. Performing a manipulation results in information disclosure (Password). This vulnerability is cataloged as CVE-2017-5521. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Netgear R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900 and R8000 (Wireless LAN Software). This affects an unknown functionality of the file /passwordrecovered.cgi of the component Password Recovery. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered on NETGEAR R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900, and R8000 devices. They are prone to password disclosure via simple crafted requests to the web management server. The bug is exploitable remotely if the remote management option is set, and can also be exploited given access to the router over LAN or WLAN. When trying to access the web panel, a user is asked to authenticate; if the authentication is canceled and password recovery is not enabled, the user is redirected to a page that exposes a password recovery token. If a user supplies the correct token to the page /passwordrecovered.cgi?id=TOKEN (and password recovery is not enabled), they will receive the admin password for the router. If password recovery is set the exploit will fail, as it will ask the user for the recovery questions that were previously set when enabling that feature. This is persistent (even after disabling the recovery option, the exploit will fail) because the router will ask for the security questions.

The bug was discovered 01/19/2017. The weakness was shared 01/17/2017 (Website). It is possible to read the advisory at kb.netgear.com. This vulnerability is uniquely identified as CVE-2017-5521 since 01/17/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as attacked. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11759 (Netgear Multiple Routers Password Disclosure Vulnerability). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 09/08/2022 with a due date of 09/29/2022:

Apply updates per vendor instructions. If the affected device has since entered end-of-life, it should be disconnected if still in use.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 41504.

The vulnerability is also documented in the databases at Exploit-DB (41205) and SecurityFocus (BID 95457†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Password
Class: Information disclosure / Password
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
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KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 100943
OpenVAS Name: NETGEAR Devices Password Disclosure Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: netgear_password_disclosure.rb
MetaSploit Name: NETGEAR Administrator Password Disclosure
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Snort ID: 41504
Snort Message: SERVER-WEBAPP Netgear passwordrecovered.cgi insecure admin password disclosure attempt
Snort Class: 🔍

Suricata ID: 2017969
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

01/16/2017 🔍
01/17/2017 +1 days 🔍
01/17/2017 +0 days 🔍
01/17/2017 +0 days 🔍
01/17/2017 +0 days 🔍
01/19/2017 +2 days 🔍
02/04/2025 +2938 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5521 (🔍)
GCVE (CVE): GCVE-0-2017-5521
GCVE (VulDB): GCVE-100-95439
SecurityFocus: 95457 - Multiple NETGEAR Products CVE-2017-5521 Information Disclosure Vulnerability
OSVDB: - CVE-2017-5521 - NETGEAR - Multiple Products - Password Disclosure Issue

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/17/2017 14:44
Updated: 02/04/2025 23:57
Changes: 01/17/2017 14:44 (83), 04/27/2024 15:31 (25), 06/28/2024 22:37 (1), 08/26/2024 15:51 (2), 09/09/2024 22:30 (1), 02/04/2025 23:57 (13)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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