Auth bypass in Dlink Dsl-2640b
CVE-2020-9275
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.
Vulnerability class: Broken Authentication
EPSS: 0.017 (74.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Dlink Dsl-2640b
- Dlink Dsl-2640b_firmware — versions eu_4.01b
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-9275?
- CVE-2020-9275 is a critical-severity vulnerability in Dlink Dsl-2640b, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-04-20.
- How severe is CVE-2020-9275?
- Critical severity. CVSS v3 base score is 9.8 out of 10.