Vulnerability identifier: #VU61202

Vulnerability risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-25217

CWE-ID: CWE-321

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
K2
Hardware solutions / Routers & switches, VoIP, GSM, etc
K3
Hardware solutions / Routers & switches, VoIP, GSM, etc
K3C
Hardware solutions / Routers & switches, VoIP, GSM, etc
K2 A7
Hardware solutions / Routers & switches, VoIP, GSM, etc
K2G A1
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: PHICOMM

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected product has a hardcoded private key pair by the telnetd_startup service. A remote attacker on the local network can obtain a root shell on the device over telnet.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

K2: 22.5.9.163

K3: 21.5.37.246

K3C: 32.1.15.93 - 33.1.25.177

K2 A7: 22.6.506.28

K2G A1: 22.6.3.20

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External links
http://www.tenable.com/security/research/tra-2022-01

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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