CVE-2026-42062

CRITICALNVD 9.89.8—

9.8

ELECOM wireless LAN access point devices contain an OS command injection in processing of username parameter. If processing a crafted request, an arbitrary OS command may be executed. No authentication is required.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 68.9%
KEV: Not listed

Published

May 13, 2026

Last Modified

May 13, 2026

Advisory Details (1)

Auto-updated May 13, 2026

No patch confirmed yet.

generic

JVN#03037325: Multiple vulnerabilities in ELECOM wireless LAN routers and access points (May 2026)

https://jvn.jp/en/jp/JVN03037325/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
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2026-05-20 22:38 UTCepss_batch
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2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-42062?

CVE-2026-42062 is a critical vulnerability published on May 13, 2026. ELECOM wireless LAN access point devices contain an OS command injection in processing of username parameter. If processing a crafted request, an arbitrary OS command may be executed. No authentication is required.

When was CVE-2026-42062 disclosed?

CVE-2026-42062 was first published in the National Vulnerability Database on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-42062 actively exploited?

CVE-2026-42062 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-42062?

CVE-2026-42062 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-42062?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42062, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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