Is CVE-2018-21158 in the CISA KEV catalog?

No. CVE-2018-21158 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-21158?

CVE-2018-21158 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-21158?

CVE-2018-21158 has an EPSS score of 0.61% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-21158?

Upgrade r7800 firmware to 1.0.2.46 or later.

CVE & CISA-KEV Catalog

CVE-2018-21158

HIGH

8.8

CVSS v3

NVD

Description

NETGEAR R7800 devices before 1.0.2.46 are affected by incorrect configuration of security settings.

How to fix

Remediation Available

r7800 firmwareNVD

Affected:< 1.0.2.46Fixed in:1.0.2.46CVE-2018-21158derived 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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.61%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory1

kb.netgear.com

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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 2024-11-21.