Vulnerability identifier: #VU26407
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
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 execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when handling the DNS responses. A remote attacker can pass a specially crafted input to the application and execute arbitrary code on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Archer A7: 190726
External links
http://www.zerodayinitiative.com/advisories/ZDI-20-337/
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.