CVE-2022-36559: Seiko SkyBridge MB-A200 v01.00.04 and below was discovered to contain a command injection vulnerability via th

Q: How do I fix CVE-2022-36559?

skybridge mb-a200 firmware: upgrade to newer than 01.00.04. Exact commands for each OS are on this page.

Q: Is CVE-2022-36559 being exploited?

CVE-2022-36559 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-36559 affect?

CVE-2022-36559 affects skybridge mb-a200 firmware. Severity is critical (CVSS 9.8). Seiko SkyBridge MB-A200 v01.00.04 and below was discovered to contain a command injection vulnerability via the Ping parameter at ping_exec.cgi.

Q: How urgent is CVE-2022-36559?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-36559 is a critical-severity flaw (CVSS 9.8) affecting skybridge mb-a200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Seiko SkyBridge MB-A200 v01.00.04 and below was discovered to contain a command injection vulnerability via the Ping parameter at ping_exec.cgi.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-77
Published	2022-08-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: seiko-sol

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-29 23:15 UTCPublished CVE record published
2026-06-17 04:53 UTCUpdated Record last modified

seiko-sol skybridge mb-a200 firmware UPGRADE

Affected: <= 01.00.04

Fixed in: newer than 01.00.04

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36559?

skybridge mb-a200 firmware: upgrade to newer than 01.00.04. Exact commands for each OS are on this page.

Is CVE-2022-36559 being exploited?

CVE-2022-36559 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36559 affect?

CVE-2022-36559 affects skybridge mb-a200 firmware. Severity is critical (CVSS 9.8). Seiko SkyBridge MB-A200 v01.00.04 and below was discovered to contain a command injection vulnerability via the Ping parameter at ping_exec.cgi.

How urgent is CVE-2022-36559?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

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CVE-2023-23901 MEDIUM 6.5 UPGRADE UPGRADE Improper following of a certificate's chain of trust exists in SkyBridge MB-A200 firmware Ver
CVE-2023-23578 HIGH 7.5 UPGRADE Improper access control vulnerability in SkyBridge MB-A200 firmware Ver
CVE-2023-22441 HIGH 8.6 UPGRADE UPGRADE Missing authentication for critical function exists in Seiko Solutions SkyBridge series, which may allow a rem
CVE-2022-36560 CRITICAL 9.8 UPGRADE Seiko SkyBridge MB-A200 v01.00.04 and below was discovered to contain multiple hard-coded passcodes for root

References

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