Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-27988 |
CWE-ID | CWE-78 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
NAS326 Hardware solutions / Routers for home users NAS540 Hardware solutions / Routers for home users NAS542 Hardware solutions / Routers for home users |
Vendor | ZyXEL Communications Corp. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU76619
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-27988
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web management interface. A remote administrator 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNAS326: 5.21(AAZF.12)C0
NAS540: 5.21(AATB.9)C0
NAS542: 5.21(ABAG.9)C0
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.