CVE-2020-10887

CRITICAL

TP-Link Archer A7 Firmware <190726 - Firewall Bypass

Title source: llm
STIX 2.1

Description

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