#VU62547 OS Command Injection


Published: 2022-04-25

Vulnerability identifier: #VU62547

Vulnerability risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26413

CWE-ID: CWE-78

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
EMG5723-T50K
Hardware solutions / Routers for home users
VMG1312-T20B
Hardware solutions / Routers for home users
VMG3625-T50B
Hardware solutions / Routers for home users
VMG3927-B50A
Hardware solutions / Routers for home users
VMG3927-B60A
Hardware solutions / Routers for home users
VMG3927-T50K
Hardware solutions / Routers for home users
VMG8623-T50B
Hardware solutions / Routers for home users
VMG8825-B50A
Hardware solutions / Routers for home users
VMG8825-B50B
Hardware solutions / Routers for home users
VMG8825-T50K
Hardware solutions / Routers for home users
VMG8825-B60A
Hardware solutions / Routers for home users
VMG8825-B60B
Hardware solutions / Routers for home users
XMG3927-B50A
Hardware solutions / Routers for home users
XMG8825-B50A
Hardware solutions / Routers for home users
DX5401-B0
Hardware solutions / Routers for home users
EX3510-B0
Hardware solutions / Routers for home users
EX5401-B0
Hardware solutions / Routers for home users
EP240P
Hardware solutions / Routers for home users
PM7300-T0
Hardware solutions / Routers for home users
PMG5617-T20B2
Hardware solutions / Routers for home users
PX7501-B0
Hardware solutions / Routers for home users
EX5501-B0
Hardware solutions / Firmware
AX7501-B0
Hardware solutions / Firmware
PMG5317-T20B
Hardware solutions / Firmware
PMG5617GA
Hardware solutions / Firmware
PMG5622GA
Hardware solutions / Firmware

Vendor:

Description

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

The vulnerability exists due to improper input validation in the CGI program. A remote user on the local network 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


External links
http://www.zyxel.com/support/OS-command-injection-and-buffer-overflow-vulnerabilities-of-CPE-and-ONTs.shtml


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability