Details of VAR-202505-1806

ID

VAR-202505-1806

CVE

CVE-2025-4849

TITLE

TOTOLINK of N300RH Injection Vulnerability in Firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005680

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. 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 failure of the parameter url in the file /cgi-bin/cstecgi.cgi to properly filter special characters and commands in the constructed command. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2025-4849 // JVNDB: JVNDB-2025-005680 // CNVD: CNVD-2025-10919

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-10919

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-2025-10919 // JVNDB: JVNDB-2025-005680 // NVD: CVE-2025-4849

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com:	CVE-2025-4849
value:	MEDIUM
Trust: 1.0
nvd@nist.gov:	CVE-2025-4849
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2025-005680
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-10919
value:	MEDIUM
Trust: 0.6

cna@vuldb.com:	CVE-2025-4849
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-2025-005680
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-2025-10919
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-2025-4849
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-2025-4849
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-2025-005680
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-2025-10919 // JVNDB: JVNDB-2025-005680 // NVD: CVE-2025-4849 // NVD: CVE-2025-4849

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-2025-005680 // NVD: CVE-2025-4849

EXTERNAL IDS

db:	NVD	id:	CVE-2025-4849	Trust: 3.2
db:	VULDB	id:	309320	Trust: 1.8
db:	JVNDB	id:	JVNDB-2025-005680	Trust: 0.8
db:	CNVD	id:	CNVD-2025-10919	Trust: 0.6

sources: CNVD: CNVD-2025-10919 // JVNDB: JVNDB-2025-005680 // NVD: CVE-2025-4849

REFERENCES

url:	https://vuldb.com/?id.309320	Trust: 1.8
url:	https://vuldb.com/?submit.575072	Trust: 1.8
url:	https://www.totolink.net/	Trust: 1.8
url:	https://github.com/ch13hh/tmp_store_cc/blob/main/tt/ta/m1.md	Trust: 1.6
url:	https://vuldb.com/?ctiid.309320	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2025-4849	Trust: 0.8

sources: CNVD: CNVD-2025-10919 // JVNDB: JVNDB-2025-005680 // NVD: CVE-2025-4849

SOURCES

db:	CNVD	id:	CNVD-2025-10919
db:	JVNDB	id:	JVNDB-2025-005680
db:	NVD	id:	CVE-2025-4849

LAST UPDATE DATE

2025-05-29T23:39:39.242000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-10919	date:	2025-05-28T00:00:00
db:	JVNDB	id:	JVNDB-2025-005680	date:	2025-05-26T08:44:00
db:	NVD	id:	CVE-2025-4849	date:	2025-05-24T00:55:22.313

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-10919	date:	2025-05-28T00:00:00
db:	JVNDB	id:	JVNDB-2025-005680	date:	2025-05-26T00:00:00
db:	NVD	id:	CVE-2025-4849	date:	2025-05-18T03:15:23.087