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Vulnerability record · CVE-2022-36557 · published 29 August 2022

CVE-2022-36557: Seiko-sol skybridge mb-a100 firmware unrestricted file upload vulnerability

SSeiko Sol · Skybridge Mb A100 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 36.8% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/Nwqda/88232102fed50b54c43871e88e993b54 Broken Link
https://www.seiko-sol.co.jp/products/skybridge/lineup/mb-a100/ ProductVendor Advisory
https://gist.github.com/Nwqda/88232102fed50b54c43871e88e993b54 Broken Link
https://www.seiko-sol.co.jp/products/skybridge/lineup/mb-a100/ ProductVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-36556Seiko-sol skybridge mb-a100 firmware command injection vulnerabilitySeiko SkyBridge MB-A100/A110 v4.2.0 and below was discovered to contain a command injection vulnerability via the ipAddress parameter at 07system08ex…EPSS 1.6%9.8CVE-2022-36558Seiko-sol skybridge mb-a100 firmware hard-coded credentials vulnerabilitySeiko SkyBridge MB-A100/A110 v4.2.0 and below implements a hard-coded passcode for the root account. Attackers are able to access the passcord via th…EPSS 0.79%7.5CVE-2023-25072Seiko-sol skybridge mb-a110 firmware weak password requirements vulnerabilityUse of weak credentials exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to decrypt…EPSS 0.83%7.5CVE-2023-23906Seiko-sol skybridge mb-a110 firmware missing authentication for critical function vulnerabilityMissing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticate…EPSS 1.3%6.5CVE-2023-24586Seiko-sol skybridge mb-a110 firmware cleartext storage of sensitive data vulnerabilityCleartext storage of sensitive information exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote authenticated at…EPSS 0.55%6.5CVE-2023-25070Seiko-sol skybridge mb-a110 firmware cleartext transmission vulnerabilityCleartext transmission of sensitive information exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier. If the telnet connection is enabled,…EPSS 0.51%6.5CVE-2023-22361Seiko-sol skybridge mb-a110 firmware vulnerabilityImproper privilege management vulnerability in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier allows a remote authenticated attacker to alter …EPSS 36%10.0CVE-2026-56291Balbooa Forms Joomla extension unauthenticated arbitrary file upload RCEThe Balbooa Forms extension for Joomla before version 2.4.1 accepts file uploads without authentication and does not restrict file type, allowing exe…KEVEPSS 15%analysed

Source: NIST National Vulnerability Database (record CVE-2022-36557), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.