D-Link DSL-2750U up to vME1.16 Configuration 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.
5.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DSL-2750U up to vME1.16. It has been rated as critical. The affected element is an unknown function of the component Configuration Handler. This manipulation causes os command injection. This vulnerability is handled as CVE-2021-3707. The attack can only be done within the local network. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in D-Link DSL-2750U up to vME1.16. Affected by this vulnerability is an unknown function of the component Configuration Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 08/16/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-3707. The attack needs to approached within the local network. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/16/2021). MITRE ATT&CK project uses the attack technique T1202 for this issue.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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

08/15/2021 🔍
08/16/2021 +1 days 🔍
08/16/2021 +0 days 🔍
08/18/2021 +2 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3707 (🔍)
GCVE (CVE): GCVE-0-2021-3707
GCVE (VulDB): GCVE-100-180901

Entryinfo

Created: 08/16/2021 13:57
Updated: 08/18/2021 14:56
Changes: 08/16/2021 13:57 (28), 08/16/2021 13:58 (10), 08/18/2021 14:56 (2)
Complete: 🔍
Cache ID: 216::103

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