Cross Site Scripting Vulnerability in TOTOLINK A3002RU Router
CVE-2025-5506

4.8MEDIUM

Key Information:

Vendor

Totolink

Status
Vendor
CVE Published:
3 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5506?

A cross site scripting vulnerability has been identified in the NAT Mapping Page of the TOTOLINK A3002RU router, specifically in version 2.1.1-B20230720.1011. This vulnerability arises due to improper handling of the 'Comment' argument, allowing remote attackers to inject malicious scripts. Once exploited, this can lead to unauthorized actions being performed on behalf of legitimate users. The issue was disclosed publicly, and despite prior notification, the vendor has not issued a response. Users are advised to take precautions to mitigate potential exploitation.

Affected Version(s)

A3002RU 2.1.1-B20230720.1011

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.

References

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

lcyf-fizz (VulDB User)
.