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CVE-2017-14422

HIGH
7.5
CVSS Score
Published: September 13, 2017 at 05:00 PM UTC
Updated: June 17, 2026 at 01:06 AM UTC
2 products affected across 1 vendorDir 850L FirmwareDir-850L

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices use the same hardcoded /etc/stunnel.key private key across different customers' installations, which allows remote attackers to defeat the HTTPS cryptographic protection mechanisms by leveraging knowledge of this key from another installation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dir 850L Firmware· D-Link
95%
v ≤ fw208wwb02v < fw114wwb07_h2abfw114wwb07_h2ab beta1
Affected range stops below fw114wwb07_h2ab, so it looks safe — our inference, not a vendor statement
dlink-dir-850l (same device)
Dir-850L· D-Linkdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-798

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