CVE-2020-9275

9.8 criticalEPSS 1.7%

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2020-04-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dsl-2640b_firmware

References

https://raelize.com/advisories/CVE-2020-9275_D-Link-DSL-2640B_Remote-Credentials-Exfiltration_v1.0.txt
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/
https://www.dlink.com/en/security-bulletin
https://raelize.com/advisories/CVE-2020-9275_D-Link-DSL-2640B_Remote-Credentials-Exfiltration_v1.0.txt
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/

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