Medium severity6.3NVD Advisory· Published May 18, 2025· Updated Jun 17, 2026

CVE-2025-4851

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.

Affected products

Totolink/N300rh Firmware
cpe:2.3:o:totolink:n300rh_firmware:6.1c.1390_b20191101:*:*:*:*:*:*:*
Totolink/N300RHllm-fuzzy2 versions
6.1c.1390_B20191101+ 1 more
- (no CPE)range: 6.1c.1390_B20191101
- (no CPE)range: 6.1c.1390_B20191101

Patches

Vulnerability mechanics

References

vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m3.mdnvdBroken Link
vuldb.comnvdPermissions RequiredVDB Entry
www.totolink.netnvdProduct

News mentions

No linked articles in our index yet.

Severity

MediumCVSS v3.1

6.3/ 10

CVSS v45.3

CVSS:4.0/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

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

Probability of exploitation in the next 30 days.

1.47%

VYPR risk score

Composite of severity, exploitation, and reach.

0.41medium

cvss	0.410
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVE ID

CVE-2025-4851

Credits

D(
DaddyShark (VulDB User)
reporter