CVE-2020-10888

5.9MEDIUM

Key Information:

Vendor
Tp-link
Status
Archer A7
Vendor
CVE Published:
25 March 2020

Summary

This vulnerability allows remote attackers to bypass authentication 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 SSH port forwarding requests during initial setup. The issue results from the lack of proper authentication prior to establishing SSH port forwarding rules. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the WAN interface. Was ZDI-CAN-9664.

Affected Version(s)

Archer A7 Firmware Ver: 190726

References

https://www.zerodayinitiative.com/advisories/ZDI-20-340/
x_refsource_MISC

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F-Secure Labs - Mark Barnes, Toby Drew, Max Van Amerongen, and James Loureiro
.