CVE-2020-10887
9.8
CRITICAL · CVSS 3.1 · EPSS 3.7% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.69% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-693 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-03-25 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| tp-link | ac1750 |
| tp-link | ac1750 firmware |
References
→ the Explorer · watch your stack · NVD