CVE-2020-10887
CRITICALTP-Link Archer A7 Firmware <190726 - Firewall Bypass
Title source: llmDescription
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.
References (1)
Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-338/
Scores
CVSS v3
9.8
EPSS
0.0029
EPSS Percentile
52.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-693
Status
published
Products (1)
tp-link/ac1750_firmware
190726
Published
Mar 25, 2020
Tracked Since
Feb 18, 2026