Details of VAR-202503-2964

ID

VAR-202503-2964

CVE

CVE-2025-28256

TITLE

TOTOLINK of A3100R in the firmware OS Command injection vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2025-003446

DESCRIPTION

An issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file /lib/cste_modules/wireless.so. TOTOLINK of A3100R The firmware has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3100R is a series of wireless routers from China's TOTOLINK Electronics. TOTOLINK A3100R has a code execution vulnerability, which is caused by setWebWlanIdx failing to properly filter special characters and commands in constructing commands

Trust: 2.16

sources: NVD: CVE-2025-28256 // JVNDB: JVNDB-2025-003446 // CNVD: CNVD-2025-12089

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-12089

AFFECTED PRODUCTS

vendor:	totolink	model:	a3100r	scope:	eq	version:	4.1.2cu.5247_b20211129	Trust: 1.0
vendor:	totolink	model:	a3100r	scope:	eq	version:	a3100r firmware 4.1.2cu.5247 b20211129	Trust: 0.8
vendor:	totolink	model:	a3100r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	a3100r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	a3100r v4.1.2cu.5247 b20211129	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-12089 // JVNDB: JVNDB-2025-003446 // NVD: CVE-2025-28256

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28256
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2025-003446
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-12089
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-12089
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28256
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
OTHER:	JVNDB-2025-003446
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-2025-12089 // JVNDB: JVNDB-2025-003446 // NVD: CVE-2025-28256

PROBLEMTYPE DATA

problemtype:	CWE-78	Trust: 1.0
problemtype:	OS Command injection (CWE-78) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-003446 // NVD: CVE-2025-28256

EXTERNAL IDS

db:	NVD	id:	CVE-2025-28256	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-003446	Trust: 0.8
db:	CNVD	id:	CNVD-2025-12089	Trust: 0.6

sources: CNVD: CNVD-2025-12089 // JVNDB: JVNDB-2025-003446 // NVD: CVE-2025-28256

REFERENCES

url:	https://github.com/zacksecurity/vulnerreport/blob/cve/totolink/a3100r/1.md	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-28256	Trust: 0.8

sources: CNVD: CNVD-2025-12089 // JVNDB: JVNDB-2025-003446 // NVD: CVE-2025-28256

SOURCES

db:	CNVD	id:	CNVD-2025-12089
db:	JVNDB	id:	JVNDB-2025-003446
db:	NVD	id:	CVE-2025-28256

LAST UPDATE DATE

2025-06-15T23:48:12.999000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-12089	date:	2025-06-11T00:00:00
db:	JVNDB	id:	JVNDB-2025-003446	date:	2025-04-15T05:17:00
db:	NVD	id:	CVE-2025-28256	date:	2025-04-14T17:06:52.373

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-12089	date:	2025-06-10T00:00:00
db:	JVNDB	id:	JVNDB-2025-003446	date:	2025-04-15T00:00:00
db:	NVD	id:	CVE-2025-28256	date:	2025-03-28T21:15:17.810