CVE-2025-4852
TOTOLINK A3002R VPN Page cross site scripting
Description
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.
INFO
Published Date :
May 18, 2025, 4:15 a.m.
Last Modified :
June 4, 2025, 8:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the firmware of TOTOLINK A3002R to the latest version.
- Verify that the VPN page input fields are properly sanitized.
- Consult vendor advisories for specific patching instructions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-4852.
| URL | Resource |
|---|---|
| https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN | Exploit |
| https://vuldb.com/?ctiid.309323 | Permissions Required VDB Entry |
| https://vuldb.com/?id.309323 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.575099 | Third Party Advisory VDB Entry |
| https://www.totolink.net/ | Product |
| https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN | Exploit |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-4852 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-4852
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-4852 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-4852 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 04, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N Added CWE CWE-79 Added CPE Configuration AND OR *cpe:2.3:o:totolink:a3002r_firmware:2.1.1-b20230720.1011:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a3002r:-:*:*:*:*:*:*:* Added Reference Type CISA-ADP: https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN Types: Exploit Added Reference Type VulDB: https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN Types: Exploit Added Reference Type VulDB: https://vuldb.com/?ctiid.309323 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.309323 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.575099 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://www.totolink.net/ Types: Product -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 19, 2025
Action Type Old Value New Value Added Reference https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN -
New CVE Received by [email protected]
May. 18, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N Added CVSS V2 (AV:N/AC:L/Au:M/C:N/I:P/A:N) Added CWE CWE-79 Added CWE CWE-94 Added Reference https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/A3002RU_V2/XSS_VPN Added Reference https://vuldb.com/?ctiid.309323 Added Reference https://vuldb.com/?id.309323 Added Reference https://vuldb.com/?submit.575099 Added Reference https://www.totolink.net/