D-Link DCS-2530L/DCS-2670L /config/getuser Password information disclosure

Summaryinfo

A vulnerability classified as problematic has been found in D-Link DCS-2530L and DCS-2670L. This affects an unknown part of the file /config/getuser. Performing a manipulation results in information disclosure (Password). This vulnerability is known as CVE-2020-25078. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in D-Link DCS-2530L and DCS-2670L (version now known). This affects some unknown processing of the file /config/getuser. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. The unauthenticated /config/getuser endpoint allows for remote administrator password disclosure.

The weakness was published 09/02/2020. This vulnerability is uniquely identified as CVE-2020-25078 since 09/02/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/23/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 316488 (D-Link DCS-2530L < 1.07 and DCS-2670L < 2.03 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 08/05/2025 with a due date of 08/26/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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

The vulnerability is also documented in the vulnerability database at Tenable (316488). Similar entry is available at VDB-160636. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• D-Link

Name

• DCS-2530L
• DCS-2670L

License

• commercial

Website

• Vendor: https://www.dlink.com/

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Entryinfo

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

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