CVE-2025-4852

TOTOLINK A3002R VPN Page cross site scripting

Severity Score

4.8

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

NVD
MITRE

A vulnerability, which was classified as problematic, has been found in TOTOLINK A3002R 2.1.1-B20230720.1011. This issue affects some unknown processing of the component VPN Page. The manipulation of the argument Comment leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Eine Schwachstelle wurde in TOTOLINK A3002R 2.1.1-B20230720.1011 entdeckt. Sie wurde als problematisch eingestuft. Betroffen davon ist ein unbekannter Prozess der Komponente VPN Page. Durch die Manipulation des Arguments Comment mit unbekannten Daten kann eine cross site scripting-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

*Credits: lcyf-fizz

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

High

User Interaction

Passive

System

Vulnerable | Subsequent

Confidentiality

None

Integrity

Low

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Multiple

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-05-16 CVE Reserved
2025-05-18 CVE Published
2025-05-19 CVE Updated
2025-05-19 First Exploit
2025-06-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

References (4)

URL	Tag	Source
https://vuldb.com/?id.309323	Technical Description
https://vuldb.com/?submit.575099	Third Party Advisory
https://www.totolink.net	Product

URL	Date	SRC
https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN	2025-05-19

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Totolink Search vendor "Totolink"		A3002r Search vendor "Totolink" for product "A3002r"				*		-		Affected