CVE-2022-36557

CRITICALNVD 9.89.8—

9.8

Seiko SkyBridge MB-A100/A110 v4.2.0 and below was discovered to contain an arbitrary file upload vulnerability via the restore backup function. This vulnerability allows attackers to execute arbitrary code via a crafted html file.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 81.1%
KEV: Not listed

Published

August 29, 2022

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://gist.github.com/Nwqda/88232102fed50b54c43871e88e993b54
cve@mitrehttps://www.seiko-sol.co.jp/products/skybridge/lineup/mb-a100/
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/Nwqda/88232102fed50b54c43871e88e993b54
af854a3a-2127-422b-91ae-364da2661108https://www.seiko-sol.co.jp/products/skybridge/lineup/mb-a100/

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 15× 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.

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Frequently asked(5)

What is CVE-2022-36557?

CVE-2022-36557 is a critical vulnerability published on August 29, 2022. Seiko SkyBridge MB-A100/A110 v4.2.0 and below was discovered to contain an arbitrary file upload vulnerability via the restore backup function. This vulnerability allows attackers to execute arbitrary code via a crafted html file.

When was CVE-2022-36557 disclosed?

CVE-2022-36557 was first published in the National Vulnerability Database on August 29, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-36557 actively exploited?

CVE-2022-36557 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-36557?

CVE-2022-36557 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-36557?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-36557, 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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CVE-2022-36557

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-36557?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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