What is CVE-2022-36559?

CVE-2022-36559 is a critical-severity vulnerability in Seiko-Sol Skybridge Mb-A200, classified under Command Injection. CVSS score: 9.8/10. Published 2022-08-29.

How severe is CVE-2022-36559?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Seiko-Sol Skybridge Mb-A200

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-77 — Command Injection

References

gist.github.com/Nwqda/0db1fc6cfa39d7f0592d44e18c40146e (Broken Link)
www.seiko-sol.co.jp/products/skybridge/lineup/mb-a200/ (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2022-36559?: CVE-2022-36559 is a critical-severity vulnerability in Seiko-Sol Skybridge Mb-A200, classified under Command Injection. CVSS score: 9.8/10. Published 2022-08-29.
How severe is CVE-2022-36559?: Critical severity. CVSS v3 base score is 9.8 out of 10.