VDB-166835 · CVE-2020-35715 · GCVE-0-2020-35715

Linksys RE6500 prior 1.0.012.001 upload_settings.cgi filename os command injection

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Linksys RE6500. This impacts an unknown function of the file upload_settings.cgi. The manipulation of the argument filename leads to os command injection. This vulnerability is referenced as CVE-2020-35715. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linksys RE6500. This issue affects an unknown code of the file upload_settings.cgi. The manipulation of the argument filename with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The weakness was published 12/26/2020. It is possible to read the advisory at bugcrowd.com. The identification of this vulnerability is CVE-2020-35715. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 1.0.012.001 eliminates this vulnerability. The upgrade is hosted for download at downloads.linksys.com.

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

Productinfo

Vendor

Linksys

Name

RE6500

License

commercial

Website

Vendor: https://www.linksys.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Upgrade: RE6500 1.0.012.001

Timelineinfo

12/26/2020 🔍
12/26/2020 +0 days 🔍
12/26/2020 +0 days 🔍

Sourcesinfo

Vendor: linksys.com

Advisory: bugcrowd.com
Status: Confirmed

CVE: CVE-2020-35715 (🔍)
GCVE (CVE): GCVE-0-2020-35715
GCVE (VulDB): GCVE-100-166835

Entryinfo

Created: 12/26/2020 09:34
Changes: 12/26/2020 09:34 (39)
Complete: 🔍
Cache ID: 216::103

Submitinfo

Duplicate

Submit #XXXXXX: Xxxxxxx Xxxxxx、xxxxxx、xxxxxx、xxxxxx、xxxxxx、xxxxxx Xxxxxx(x.x.xxx.xxx) Xxxxxx(x.x.xx.xxx) Xxxxxx(x.x.xx.xxx) Xxxxxx(x.x.xx.xxx) Xxxxxx(x.x.xx.xxx) Xxxxxx(x.x.xx.xxx) Xx Xxxxxxx Xxxxxxxxx (by Bond_yes)