CVE-2025-28032
TOTOLINK Router Pre-Auth Buffer Overflow Vulnerability
Description
TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 contain a pre-auth buffer overflow vulnerability in the setNoticeCfg function through the IpForm parameter.
INFO
Published Date :
April 22, 2025, 2:15 p.m.
Last Modified :
April 29, 2025, 4:19 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2025-28032
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 
Solution
- Update the firmware on affected TOTOLINK router models.
- Ensure routers are running the latest available software version.
Public PoC/Exploit Available at Github
                                            CVE-2025-28032 has a 1 public
                                            PoC/Exploit available at Github.
                                            Go to the Public Exploits tab to see the list.
                                        
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-2025-28032.
                                        
| URL | Resource | 
|---|---|
| https://locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341d | Third Party Advisory Exploit | 
| https://locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341d | Third Party Advisory 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-2025-28032 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-2025-28032
            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).
None
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2025-28032 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2025-28032 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]Apr. 29, 2025 Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:totolink:a800r_firmware:4.1.2cu.5137_b20200730:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a800r:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:a810r_firmware:4.1.2cu.5182_b20201026:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a810r:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:a830r_firmware:4.1.2cu.5182_b20201102:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a830r:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5161_b20200903:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a950rg:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:a3000ru_firmware:5.9c.5185_b20201128:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a3000ru:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5247_b20211129:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:* Added Reference Type CISA-ADP: https://locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341d Types: Exploit, Third Party Advisory Added Reference Type MITRE: https://locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341d Types: Exploit, Third Party Advisory 
- 
                            CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0Apr. 23, 2025 Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CWE CWE-121 Added Reference https://locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341d 
- 
                            New CVE Received by [email protected]Apr. 22, 2025 Action Type Old Value New Value Added Description TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 contain a pre-auth buffer overflow vulnerability in the setNoticeCfg function through the IpForm parameter. Added Reference https://locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341d 
 
                         
                         
                         
                                             
                                            