#VU74235 OS Command Injection in SkyBridge MB-A100 and SkyBridge MB-A110 - CVE-2022-36556

Vulnerability identifier: #VU74235

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-36556

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SkyBridge MB-A100
Hardware solutions / Routers & switches, VoIP, GSM, etc
SkyBridge MB-A110
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Seiko Solutions

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SkyBridge MB-A100: 4.2.0

SkyBridge MB-A110: 4.2.0

---

External links
https://jvn.jp/en/jp/JVN40604023/index.html
https://www.seiko-sol.co.jp/archives/73969/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.