Command Injection in TP-Link Archer AX21 (AX1800)



| Updated: 2024-10-25
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-1389
CWE-ID CWE-77
Exploitation vector Local network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
 Archer AX21
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor TP-Link

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Command Injection

EUVDB-ID: #VU73718

Risk: Medium

CVSSv4.0: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2023-1389

CWE-ID: CWE-77 - Command injection

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation in the "country" parameter within the merge_country_config function. 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

Archer AX21: before 1.1.4 20230219

CPE2.3 External links

http://www.tenable.com/security/research/tra-2023-11
http://www.zerodayinitiative.com/advisories/ZDI-23-451/


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).

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?

Yes. This vulnerability is being exploited in the wild.



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