ZDI-20-338: (Pwn2Own) TP-Link Archer A7 Protection Mechanism Failure Firewall Bypass Vulnerability
This vulnerability allows a firewall bypass 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 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link Archer A7 Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-338?
The severity of ZDI-20-338 is high as it allows for firewall bypass without requiring authentication.
How do I fix ZDI-20-338?
To fix ZDI-20-338, update the firmware of your TP-Link Archer A7 AC1750 router to the latest version provided by the vendor.
What devices are affected by ZDI-20-338?
The devices affected by ZDI-20-338 are TP-Link Archer A7 AC1750 routers.
Can ZDI-20-338 be exploited remotely?
Yes, ZDI-20-338 can be exploited remotely as it does not require authentication.
How does ZDI-20-338 impact network security?
ZDI-20-338 impacts network security by allowing unauthorized users to bypass firewall protections, potentially leading to unauthorized access.
- agent/event
- agent/title
- agent/type
- agent/tags
- collector/zdi-advisory
- alias/ZDI-20-338
- alias/ZDI-CAN-9663
- alias/CVE-2020-10887
- agent/software-canonical-lookup-request
- agent/references
- agent/severity
- agent/softwarecombine
- agent/description
- vendor/tp-link
- canonical/tp-link archer a7 firmware