Critical severity · published May 18, 2025
CVE-2025-4851
A vulnerability classified as critical was found in TOTOLINK N300RH 6.1c.1390_B20191101
9.8
CVSS
1.5%
EPSS
No
On KEV
Description
A vulnerability classified as critical was found in TOTOLINK N300RH 6.1c.1390_B20191101. This vulnerability affects the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
N300rh Firmware · Totolink
6.1c.1390_b20191101 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4851
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4851
Broken Link
https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m3.md
Permissions Required
https://vuldb.com/?ctiid.309322
Third Party Advisory
https://vuldb.com/?id.309322
Third Party Advisory
https://vuldb.com/?submit.575074
Product
https://www.totolink.net/
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