VDB-189263 · CVE-2021-45640 · PSV-2018-0228

Netgear XR500 Configuration privilege escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Netgear D3600, D6000, D6200, D6220, D6400, D7000, D7000v2, D7800, D8500, DC112A, DGN2200v4, DGND2200Bv4, DM200, EX3700, EX3800, EX6120, EX6130, EX7000, PR2000, R6220, R6230, R6250, R6300v2, R6400, R6400v2, R6700, R6700v3, R6900, R7000, R7100LG, R7500v2, R7900P, R8000P, R8900, R9000, RBK20, RBK40, RBK50, RBR20, RBR40, RBR50, RBS20, RBS40, RBS50, WN3000RPv2, WNDR3400v3, WNR2000v5, WNR2020, WNR3500Lv2, XR450 and XR500. This affects an unknown function of the component Configuration Handler. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2021-45640. The attack must be carried out from within the local network. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Netgear D3600, D6000, D6200, D6220, D6400, D7000, D7000v2, D7800, D8500, DC112A, DGN2200v4, DGND2200Bv4, DM200, EX3700, EX3800, EX6120, EX6130, EX7000, PR2000, R6220, R6230, R6250, R6300v2, R6400, R6400v2, R6700, R6700v3, R6900, R7000, R7100LG, R7500v2, R7900P, R8000P, R8900, R9000, RBK20, RBK40, RBK50, RBR20, RBR40, RBR50, RBS20, RBS40, RBS50, WN3000RPv2, WNDR3400v3, WNR2000v5, WNR2020, WNR3500Lv2, XR450 and XR500 (Wireless LAN Software). This issue affects an unknown code of the component Configuration Handler. Impacted is confidentiality, integrity, and availability.

The weakness was presented 12/26/2021 as PSV-2018-0228. It is possible to read the advisory at kb.netgear.com. The identification of this vulnerability is CVE-2021-45640 since 12/25/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Wireless LAN Software

Vendor

Netgear

Name

License

commercial

Website

Vendor: https://www.netgear.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.9
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2021 🔍
12/26/2021 +1 days 🔍
12/26/2021 +0 days 🔍
12/28/2021 +2 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: PSV-2018-0228
Status: Confirmed

CVE: CVE-2021-45640 (🔍)
GCVE (CVE): GCVE-0-2021-45640
GCVE (VulDB): GCVE-100-189263

Entryinfo

Created: 12/26/2021 17:40
Updated: 12/28/2021 16:10
Changes: 12/26/2021 17:40 (47), 12/28/2021 16:10 (1)
Complete: 🔍
Cache ID: 216::103