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CVE-2017-17877

N/A
Published: December 24, 2017 at 02:00 AM UTC
Updated: June 17, 2026 at 01:11 AM UTC
2 products affected across 1 vendorSteam Link FirmwareSteam Link

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Severity
N/A
Exploit prediction
EPSS 4%

Description

An issue was discovered in Valve Steam Link build 643. When the SSH daemon is enabled for local development, the device is publicly available via IPv6 TCP port 22 over the internet (with stateless address autoconfiguration) by default, which makes it easier for remote attackers to obtain access by guessing 24 bits of the MAC address and attempting a root login. This can be exploited in conjunction with CVE-2017-17878.

Affected

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

Steam Link Firmware· Valvesoftware
95%
v < 644
Affected range stops below 644, so it looks safe — our inference, not a vendor statement
valvesoftware-steam-link (same device)
Steam Link· Valvesoftwaredevice
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 (3)

x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://blogger.davidmanouchehri.com/2017/12/steam-link-security-remotely-insecure.html
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/ValveSoftware/steamlink-sdk#ssh-access
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/ValveSoftware/steamlink-sdk/issues/119

CVSS

10HIGH[email protected]
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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