CVE-2020-9275 json
An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices.
published 2020-04-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30104
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- raelize.com https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
raelize.com
/posts/d-link-dsl-2640b-security-advisories/
exploit, third-party-advisory
-
dlink.com
/en/security-bulletin
vendor-advisory
-
raelize.com
/advisories/CVE-2020-9275_D-Link-DSL-2640B_Remote-Credentials-Exfiltration_v1.0.txt
third-party-advisory
Sources
- CVE List CVE-2020-9275
- NVD CVE-2020-9275
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