CVE-2020-9275

CRITICAL

D-Link DSL-2640B B2 EU_4.01B - Unauthenticated Credential Exfiltration via cfm UDP Service

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://www.dlink.com/en/security-bulletin
Exploit, Third Party Advisory x_refsource_misc
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/

Scores

CVSS v3 9.8
EPSS 0.0076
EPSS Percentile 73.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-306
Status published
Products (1)
dlink/dsl-2640b_firmware eu_4.01b
Published Apr 20, 2020
Tracked Since Feb 18, 2026