Stored Cross-Site Scripting in Tenda AC5 AC1200
CVE-2021-3186

5.4MEDIUM

Key Information:

Vendor

Tenda
Status
Ac1200 Firmware
Vendor
CVE Published:
26 January 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-3186?

A Stored Cross-Site Scripting vulnerability exists in the Wifi Settings page of the Tenda AC5 AC1200 router. This flaw allows remote attackers to inject arbitrary web scripts or HTML code via the Wifi Name parameter, potentially compromising the integrity and security of user data. If successfully exploited, it could lead to unauthorized actions on the affected device, posing serious risks to users.

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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-2021-3186 - Proof of Concept

References

https://www.hackingarticles.in/exploiting-stored-cross-si...
x_refsource_MISC
http://packetstormsecurity.com/files/161119/Tenda-AC5-AC1...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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