Vulnerability identifier: #VU26410

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10888

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

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

Vendor: TP-Link

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a lack of proper authentication prior to establishing SSH port forwarding rules during initial setup. A remote attacker can bypass authentication process and gain elevated privileges to resources normally protected from the WAN interface.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Archer A7: 190726

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External links
http://www.zerodayinitiative.com/advisories/ZDI-20-340/

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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 Internet.

Is there known malware, which exploits this vulnerability?

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