TOTOLINK EX300v2 4.0.3c.140_B20210429 cloudupdate_check command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in TOTOLINK EX300v2 4.0.3c.140_B20210429. It has been classified as critical. Affected by this issue is the function cloudupdate_check. Performing a manipulation results in command injection. This vulnerability is identified as CVE-2021-43663. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TOTOLINK EX300v2 4.0.3c.140_B20210429. This affects the function cloudupdate_check. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 03/31/2022. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-43663 since 11/15/2021. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/15/2021 🔍
03/31/2022 +135 days 🔍
03/31/2022 +0 days 🔍
04/02/2022 +2 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2021-43663 (🔍)
GCVE (CVE): GCVE-0-2021-43663
GCVE (VulDB): GCVE-100-196131

Entryinfo

Created: 03/31/2022 07:37
Updated: 04/02/2022 07:43
Changes: 03/31/2022 07:37 (37), 04/02/2022 07:43 (1)
Complete: 🔍
Cache ID: 216::103

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

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