Vulnerability identifier: #VU48623

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28005

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TL-WPA4220
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: TP-Link

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in httpd. A remote authenticated attacker can send a specially crafted POST request to the /admin/syslog endpoint, trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TL-WPA4220: All versions

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External links
http://the-hyperbolic.com/posts/vulnerabilities-in-tlwpa4220/
http://www.tp-link.com/us/security

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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