Details of VAR-202505-1840

ID

VAR-202505-1840

CVE

CVE-2025-4851

TITLE

TOTOLINK of N300RH Injection Vulnerability in Firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005681

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. TOTOLINK of N300RH The firmware contains injection and command injection vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK N300RH is a long-distance wireless router from China's TOTOLINK Electronics. TOTOLINK N300RH has a command injection vulnerability, which is caused by the parameter FileName in the file /cgi-bin/cstecgi.cgi failing to properly filter special characters and commands in the constructed command. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2025-4851 // JVNDB: JVNDB-2025-005681 // CNVD: CNVD-2025-10917

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-10917

AFFECTED PRODUCTS

vendor:	totolink	model:	n300rh	scope:	eq	version:	6.1c.1390_b20191101	Trust: 1.0
vendor:	totolink	model:	n300rh	scope:	eq	version:	n300rh firmware 6.1c.1390 b20191101	Trust: 0.8
vendor:	totolink	model:	n300rh	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	n300rh	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	n300rh 6.1c.1390 b20191101	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-10917 // JVNDB: JVNDB-2025-005681 // NVD: CVE-2025-4851

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com:	CVE-2025-4851
value:	MEDIUM
Trust: 1.0
nvd@nist.gov:	CVE-2025-4851
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2025-005681
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-10917
value:	MEDIUM
Trust: 0.6

cna@vuldb.com:	CVE-2025-4851
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
OTHER:	JVNDB-2025-005681
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2025-10917
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

cna@vuldb.com:	CVE-2025-4851
baseSeverity:	MEDIUM
baseScore:	6.3
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	2.8
impactScore:	3.4
version:	3.1
Trust: 1.0
nvd@nist.gov:	CVE-2025-4851
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	JVNDB-2025-005681
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-10917 // JVNDB: JVNDB-2025-005681 // NVD: CVE-2025-4851 // NVD: CVE-2025-4851

PROBLEMTYPE DATA

problemtype:	CWE-74	Trust: 1.0
problemtype:	CWE-77	Trust: 1.0
problemtype:	injection (CWE-74) [ others ]	Trust: 0.8
problemtype:	Command injection (CWE-77) [NVD evaluation ]	Trust: 0.8
problemtype:	Command injection (CWE-77) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-005681 // NVD: CVE-2025-4851

EXTERNAL IDS

db:	NVD	id:	CVE-2025-4851	Trust: 3.2
db:	VULDB	id:	309322	Trust: 1.8
db:	JVNDB	id:	JVNDB-2025-005681	Trust: 0.8
db:	CNVD	id:	CNVD-2025-10917	Trust: 0.6

sources: CNVD: CNVD-2025-10917 // JVNDB: JVNDB-2025-005681 // NVD: CVE-2025-4851

REFERENCES

url:	https://vuldb.com/?id.309322	Trust: 1.8
url:	https://vuldb.com/?submit.575074	Trust: 1.8
url:	https://www.totolink.net/	Trust: 1.8
url:	https://github.com/ch13hh/tmp_store_cc/blob/main/tt/ta/m3.md	Trust: 1.6
url:	https://vuldb.com/?ctiid.309322	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2025-4851	Trust: 0.8

sources: CNVD: CNVD-2025-10917 // JVNDB: JVNDB-2025-005681 // NVD: CVE-2025-4851

SOURCES

db:	CNVD	id:	CNVD-2025-10917
db:	JVNDB	id:	JVNDB-2025-005681
db:	NVD	id:	CVE-2025-4851

LAST UPDATE DATE

2025-05-29T19:32:18.154000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-10917	date:	2025-05-28T00:00:00
db:	JVNDB	id:	JVNDB-2025-005681	date:	2025-05-26T08:46:00
db:	NVD	id:	CVE-2025-4851	date:	2025-05-24T01:03:29.400

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-10917	date:	2025-05-28T00:00:00
db:	JVNDB	id:	JVNDB-2025-005681	date:	2025-05-26T00:00:00
db:	NVD	id:	CVE-2025-4851	date:	2025-05-18T04:15:23.360