Vulnerability Monitor

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CVE-2020-24580

An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. Lack of authentication functionality allows an attacker to assign a static IP address that was once used by a valid user.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it requires adjacent network access but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from dlink, from dlink organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-12-22T19:15:13.300

Last Modified

2024-11-21T05:15:02.553

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:A/AC:M/Au:N/C:P/I:P/A:P

Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

5.5

Impact Score

6.4

Weaknesses

Type: Primary
CWE-306

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	dlink	dsl2888a_firmware	< au_2.31_v1.1.47ae55	Yes
Hardware	dlink	dsl2888a	-	No

References

https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/d-link-multiple-security-vulnerabilities-leading-to-rce/ Exploit, Third Party Advisory ([email protected])
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/ Third Party Advisory ([email protected])
https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/d-link-multiple-security-vulnerabilities-leading-to-rce/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For dlink's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.