ZDI-20-333: (Pwn2Own) TP-Link Archer A7 DNS Response Stack-based Buffer Overflow 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 handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link Archer A7 |
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Reference Links
- collector/zdi-advisory
- alias/ZDI-20-333
- alias/ZDI-CAN-9660
- alias/CVE-2020-10881
- agent/tags
- agent/event
- agent/references
- agent/severity
- agent/title
- agent/type
- agent/softwarecombine
- vendor/tp-link
- canonical/tp-link archer a7