Is CVE-2026-62657 in the CISA KEV catalog?

No. CVE-2026-62657 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-62657?

CVE-2026-62657 has a CVSS v4 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2026-62657?

CVE-2026-62657 has an EPSS score of 0.10% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-62657?

No published fix for CVE-2026-62657 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-62657

MEDIUM

4.9

CVSS v4

NVD

Description

A security flaw in the router's certificate validation process was discovered in the NETGEAR XR1000 Gaming Router and certain Nighthawk models that could allow an unauthorized person to remotely access and take control of the device.

CWE-599

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works

CVSS v4 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

Impact

CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

Exploit Intelligence

0.10%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Other references5

Related Vulnerabilities

Other CWE-599 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-21374	High	8.1	1.0%	-	Fix
CVE-2022-31105	High	8.3	0.8%	-	Fix
CVE-2024-40464	High	8.8	0.6%	-	Fix
CVE-2023-48052	High	7.4	0.3%	-	-
CVE-2024-41265	High	7.5	0.3%	-	-
CVE-2026-25060	High	8.1	0.2%	-	Fix

Embed a live status badge for CVE-2026-62657

Markdown

[![CVE-2026-62657](https://tridentstack.com/cve/badge/CVE-2026-62657.svg)](https://tridentstack.com/cve/CVE-2026-62657)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-62657"><img src="https://tridentstack.com/cve/badge/CVE-2026-62657.svg" alt="CVE-2026-62657"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

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 2026-07-15.