CVE-2020-10885 – TP-Link Archer A7 DNS Response Improper Input Validation Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2020-10885
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. The issue results from the lack of proper validation of DNS reponses prior to further processing. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the root user. • https://www.zerodayinitiative.com/advisories/ZDI-20-337 • CWE-20: Improper Input Validation •
CVE-2020-10886 – TP-Link Archer A7 tmpServer Command Injection Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2020-10886
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tmpServer service, which listens on TCP port 20002. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the current process. • https://www.zerodayinitiative.com/advisories/ZDI-20-339 • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
CVE-2020-10887 – TP-Link Archer A7 Protection Mechanism Failure Firewall Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2020-10887
This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. • https://www.zerodayinitiative.com/advisories/ZDI-20-338 • CWE-693: Protection Mechanism Failure •