CVE-2020-10882

8.8HIGH

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC

Summary

This vulnerability allows network-adjacent attackers to execute arbitrary code 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 tdpServer service, which listens on UDP port 20002 by default. When parsing the slave_mac parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9650.

Affected Version(s)

Archer A7 Firmware Ver: 190726

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-10882
Created by lnversed

References

https://www.zerodayinitiative.com/advisories/ZDI-20-334/
x_refsource_MISC
http://packetstormsecurity.com/files/157255/TP-Link-Arche...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pedro Ribeiro and Radek Domanski of Team Flashback
.