CVE-2020-10887: (Pwn2Own) TP-Link Archer A7 Protection Mechanism Failure Firewall Bypass Vulnerability
First published: Wed Mar 25 2020(Updated: )
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.
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. Was ZDI-CAN-9663.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link Archer A7 | ||
| Tp-link Ac1750 Firmware | =190726 | |
| TP-Link AC1750 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-10887?
CVE-2020-10887 is a vulnerability that allows a firewall bypass on TP-Link Archer A7 routers.
How severe is CVE-2020-10887?
CVE-2020-10887 has a severity rating of critical (9.8).
What is the impact of CVE-2020-10887?
CVE-2020-10887 allows attackers to bypass the firewall on affected routers.
Is authentication required to exploit CVE-2020-10887?
No, authentication is not required to exploit CVE-2020-10887.
How can I fix CVE-2020-10887?
To fix CVE-2020-10887, update your TP-Link Archer A7 firmware to the latest version.
- collector/zdi-advisory
- alias/ZDI-20-338
- alias/ZDI-CAN-9663
- alias/CVE-2020-10887
- collector/nvd-index
- vendor/tp-link
- product/archer a7
- canonical/tp-link archer a7
- product/ac1750 firmware
- canonical/tp-link ac1750 firmware
- product/ac1750
- canonical/tp-link ac1750