Vulnerability Details : CVE-2017-14420
The D-Link NPAPI extension, as used on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Exploit prediction scoring system (EPSS) score for CVE-2017-14420
Probability of exploitation activity in the next 30 days: 0.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 38 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-14420
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2017-14420
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-14420
-
https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html
Pwning the Dlink 850L routers and abusing the MyDlink Cloud protocol - IT Security Research by PierreExploit;Third Party Advisory
Products affected by CVE-2017-14420
- cpe:2.3:o:dlink:dir-850l_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-850l_firmware:*:*:*:*:*:*:*:*