Information disclosure in DSL-2640B - CVE-2020-9275

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Main Vulnerability Database Vulnerabilities #VU27055

Information disclosure in DSL-2640B - CVE-2020-9275

Published: April 21, 2020 / Updated: April 21, 2020


Vulnerability identifier: #VU27055
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-9275
CWE-ID: CWE-200
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: D-Link
Affected software:
DSL-2640B

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to and error in a cfm UDP service listening on port 65002. A remote attacker on the local network can send a specific UDP packet and cause unauthenticated exfiltration of administrative credentials.

This vulnerability affects devices with the following versions:

  • Hardware version: B2
  • Firmware version: ver.4.01


How to mitigate CVE-2020-9275

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources