ZDI-20-339: (Pwn2Own) TP-Link Archer A7 tmpServer Command Injection Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link Archer A7 |
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Reference Links
- collector/zdi-advisory
- alias/ZDI-20-339
- alias/ZDI-CAN-9662
- alias/CVE-2020-10886
- vendor/tp-link
- canonical/tp-link archer a7