CVE-2025-4849
TOTOLINK N300RH cstecgi.cgi CloudACMunualUpdateUserdata command injection
Description
A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101. It has been rated as critical. Affected by this issue is the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument url leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
INFO
Published Date :
May 18, 2025, 3:15 a.m.
Last Modified :
May 24, 2025, 12:55 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] | 
Solution
- Update the affected product to a patched version.
 - Consult vendor advisories for specific remediation steps.
 - Restrict network access to the affected component.
 
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-2025-4849.
                                        
| URL | Resource | 
|---|---|
| https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m1.md | Broken Link | 
| https://vuldb.com/?ctiid.309320 | Permissions Required VDB Entry | 
| https://vuldb.com/?id.309320 | Third Party Advisory VDB Entry | 
| https://vuldb.com/?submit.575072 | Third Party Advisory VDB Entry | 
| https://www.totolink.net/ | Product | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2025-4849 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-2025-4849
            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-2025-4849 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2025-4849 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]
May. 24, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-77 Added CPE Configuration AND OR *cpe:2.3:o:totolink:n300rh_firmware:6.1c.1390_b20191101:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:n300rh:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m1.md Types: Broken Link Added Reference Type VulDB: https://vuldb.com/?ctiid.309320 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.309320 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.575072 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://www.totolink.net/ Types: Product  - 
                            
New CVE Received by [email protected]
May. 18, 2025
Action Type Old Value New Value Added Description A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101. It has been rated as critical. Affected by this issue is the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument url leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-77 Added CWE CWE-74 Added Reference https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m1.md Added Reference https://vuldb.com/?ctiid.309320 Added Reference https://vuldb.com/?id.309320 Added Reference https://vuldb.com/?submit.575072 Added Reference https://www.totolink.net/