How severe is CVE-2022-36559?

CVE-2022-36559 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36559?

CVE-2022-36559 affects Seiko-sol Skybridge Mb-a200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36559?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-36559 published?

CVE-2022-36559 was published on 2022-08-29 and last updated on 2026-06-17.

CVE-2022-36559

CVE-2022-36559 is a critical-severity vulnerability in Seiko-sol Skybridge Mb-a200 Firmware with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Seiko-sol Skybridge Mb-a200 Firmware
Published: 2022-08-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-36559?: 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 severe is CVE-2022-36559?: CVE-2022-36559 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36559?: CVE-2022-36559 affects Seiko-sol Skybridge Mb-a200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-36559 published?: CVE-2022-36559 was published on 2022-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:seiko-sol:skybridge_mb-a200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Seiko-sol Skybridge Mb-a200 Firmware

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CVE-2023-23901 — Medium (CVSS 6.5): Improper following of a certificate's chain of trust exists in SkyBridge MB-A200 firmware Ver. 01.00.05 and earlier,…

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