#VU26403 Command Injection in Archer A7


Published: 2020-04-15

Vulnerability identifier: #VU26403

Vulnerability risk: Low

CVSSv3.1: 8.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2020-10882

CWE-ID: CWE-77

Exploitation vector: Local network

Exploit availability: Yes

Vulnerable software:
Archer A7
Hardware solutions / Routers for home users

Vendor: TP-Link

Description

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

The vulnerability exists within the "tdpServer" service due to the process does not properly validate a user-supplied string before using it to execute a system call when parsing the "slave_mac" parameter. A remote attacker on the local network can execute arbitrary commands on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Archer A7: 190726


External links
http://www.zerodayinitiative.com/advisories/ZDI-20-334/


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. However, a fully functional exploit for this vulnerability is available.


Latest bulletins with this vulnerability