Medium severity · published Sep 13, 2017
CVE-2017-14420
The D-Link NPAPI extension, as used on D-Link DIR-850L REV
5.9
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-850l Firmware · Dlink
through fw114wwb07_h2ab_beta1; through fw208wwb02 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14420
Exploit
https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html
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