How severe is CVE-2026-62657?

CVE-2026-62657 has a CVSS 4.0 base score of 4.9, rated medium severity.

Is CVE-2026-62657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-62657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-62657 published?

CVE-2026-62657 was published on 2026-07-14 and last updated on 2026-07-15.

CVE-2026-62657

CVE-2026-62657 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-599.

Key facts

Severity: Medium (CVSS 4.0 base score 4.9)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-599
Published: 2026-07-14
Last modified: 2026-07-15

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.

Frequently asked questions

What is CVE-2026-62657?: 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.
How severe is CVE-2026-62657?: CVE-2026-62657 has a CVSS 4.0 base score of 4.9, rated medium severity.
Is CVE-2026-62657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-62657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-62657 published?: CVE-2026-62657 was published on 2026-07-14 and last updated on 2026-07-15.

References

Other CWE-599 vulnerabilities

CVE-2025-12553 — Critical (CVSS 9.8): Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2026-25060 — High (CVSS 8.1): OpenList Frontend is a UI component for OpenList. Prior to 4.1.10, certificate verification is disabled by default for…
CVE-2025-56230 — High (CVSS 7.5): Tencent Docs Desktop 3.9.20 and earlier suffers from Missing SSL Certificate Validation in the update component.
CVE-2024-41265 — High (CVSS 7.5): A TLS certificate verification issue discovered in cortex v0.42.1 allows attackers to obtain sensitive information via…
CVE-2024-41253 — High (CVSS 7.1): goframe v2.7.2 is configured to skip TLS certificate verification, possibly allowing attackers to execute a…
CVE-2025-56232 — Medium (CVSS 6.8): GOG Galaxy 2.0.0.2 suffers from Missing SSL Certificate Validation. An attacker who controls the local network, DNS, or…

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