Is CVE-2017-17878 in the CISA KEV catalog?

No. CVE-2017-17878 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-17878?

CVE-2017-17878 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-17878?

CVE-2017-17878 has an EPSS score of 1.60% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-17878?

Upgrade steam link firmware to 644 or later.

CVE & CISA-KEV Catalog

CVE-2017-17878

CRITICALEPSS 73th pctl

9.8

CVSS v3

NVD

Description

An issue was discovered in Valve Steam Link build 643. Root passwords longer than 8 characters are truncated because of the default use of DES (aka the CONFIG_FEATURE_DEFAULT_PASSWD_ALGO="des" setting).

CWE-327

How to fix

Remediation Available

steam link firmwareNVD

Affected:< 644Fixed in:644CVE-2017-17878derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.60%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Patch3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.