#VU89858 Command Injection in Omada ER605 - CVE-2024-5227

Vulnerability identifier: #VU89858

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-5227

CWE-ID: CWE-77

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Omada ER605
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: TP-Link

Description

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

The vulnerability exists due to improper input validation within the handling of the username parameter provided to the /usr/bin/pppd endpoint. A remote unauthenticated attacker on the local network can pass specially crafted data to the application and execute arbitrary 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

Omada ER605: before 2_2.2.4 Build 20240119

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External links
https://www.zerodayinitiative.com/advisories/ZDI-24-499/

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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.