A vulnerability was found in D-Link DSL-2640B B2 EU_4.01B. It has been classified as problematic. This affects an unknown code block of the component UDP Service Port 65002. The manipulation with an unknown input leads to a insufficiently protected credentials vulnerability (Credentials). CWE is classifying the issue as CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. A cfm UDP service listening on port 65002 allows remote, unauthenticated exfiltration of administrative credentials.

The weakness was released 04/20/2020. This vulnerability is uniquely identified as CVE-2020-9275 since 02/19/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/21/2020). The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

It is possible to mitigate the weakness by firewalling udp/65002.

Productinfo

Vendor

• D-Link

Name

• DSL-2640B B2

Version

• EU_4.01B

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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