Denial of service in TP-Link Archer C50 V3 devices
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-9375 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Archer C50 V3 Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | TP-Link |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU26525
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-9375
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can use a specially crafted HTTP Header containing an unexpected Referer field and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsArcher C50 V3: 171227
External linkshttp://packetstormsecurity.com/files/156928/TP-Link-Archer-C50-V3-Denial-of-Service.html
http://thewhiteh4t.github.io/2020/02/27/CVE-2020-9375-TP-Link-Archer-C50-v3-Denial-of-Service.html
http://www.tp-link.com/in/support/download/archer-c50/v3/#Firmware
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
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?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
