VDB-101803 · CVE-2017-6862 · BID 98740

Netgear WNR2000 Administration Webapp memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Netgear WNR2000. This impacts an unknown function of the component Administration Webapp. This manipulation causes memory corruption. This vulnerability appears as CVE-2017-6862. The attack may be initiated remotely. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Netgear WNR2000 (Wireless LAN Software) (affected version not known) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Administration Webapp. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NETGEAR WNR2000v3 devices before 1.1.2.14, WNR2000v4 devices before 1.0.0.66, and WNR2000v5 devices before 1.0.0.42 allow authentication bypass and remote code execution via a buffer overflow that uses a parameter in the administration webapp. The NETGEAR ID is PSV-2016-0261.

The bug was discovered 05/05/2017. The weakness was presented 05/26/2017 (Website). It is possible to read the advisory at kb.netgear.com. This vulnerability is known as CVE-2017-6862 since 03/13/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $5k-$25k. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 06/08/2022 with a due date of 06/22/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98740†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

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

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/13/2017 🔍
05/05/2017 +53 days 🔍
05/26/2017 +21 days 🔍
05/26/2017 +0 days 🔍
05/26/2017 +0 days 🔍
05/27/2017 +1 days 🔍
09/09/2024 +2662 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Researcher: Maxime Peterlin
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6862 (🔍)
GCVE (CVE): GCVE-0-2017-6862
GCVE (VulDB): GCVE-100-101803
SecurityFocus: 98740 - Multiple NETGEAR Routers CVE-2017-6862 Buffer Overflow Vulnerability
OSVDB: - CVE-2017-6862 - Netgear - Wnr2000V3 Firmware - High

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

Entryinfo

Created: 05/27/2017 09:48
Updated: 09/09/2024 22:30
Changes: 05/27/2017 09:48 (59), 10/03/2020 14:42 (5), 12/25/2020 17:26 (2), 04/27/2024 05:36 (27), 06/28/2024 22:37 (1), 09/09/2024 22:30 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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