Details of VAR-202505-1253

ID

VAR-202505-1253

CVE

CVE-2025-45788

TITLE

TOTOLINK of A3100R Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005245

DESCRIPTION

TOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow via the comment parameter in setMacFilterRules. TOTOLINK of A3100R An out-of-bounds write vulnerability exists in firmware.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. The vulnerability is caused by the comment parameter in setMacFilterRules failing to properly verify the length of the input data. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2025-45788 // JVNDB: JVNDB-2025-005245 // CNVD: CNVD-2025-11201

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-11201

AFFECTED PRODUCTS

vendor:	totolink	model:	a3100r	scope:	eq	version:	5.9c.1527	Trust: 1.0
vendor:	totolink	model:	a3100r	scope:	eq	version:	a3100r firmware 5.9c.1527	Trust: 0.8
vendor:	totolink	model:	a3100r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	a3100r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	a3100r v5.9c.1527	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-11201 // JVNDB: JVNDB-2025-005245 // NVD: CVE-2025-45788

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2025-45788
value:	CRITICAL
Trust: 1.0
134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-45788
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2025-45788
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-11201
value:	MEDIUM
Trust: 0.6

CNVD:	CNVD-2025-11201
severity:	MEDIUM
baseScore:	6.4
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2025-45788
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
134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-45788
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	2.5
version:	3.1
Trust: 1.0
NVD:	CVE-2025-45788
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-2025-11201 // JVNDB: JVNDB-2025-005245 // NVD: CVE-2025-45788 // NVD: CVE-2025-45788

PROBLEMTYPE DATA

problemtype:	CWE-121	Trust: 1.0
problemtype:	CWE-787	Trust: 1.0
problemtype:	Stack-based buffer overflow (CWE-121) [ others ]	Trust: 0.8
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-005245 // NVD: CVE-2025-45788

PATCH

title:

Patch for TOTOLINK A3100R setMacFilterRules function buffer overflow vulnerability

url:

https://www.cnvd.org.cn/patchInfo/show/692926

Trust: 0.6

sources: CNVD: CNVD-2025-11201

EXTERNAL IDS

db:	NVD	id:	CVE-2025-45788	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-005245	Trust: 0.8
db:	CNVD	id:	CNVD-2025-11201	Trust: 0.6

sources: CNVD: CNVD-2025-11201 // JVNDB: JVNDB-2025-005245 // NVD: CVE-2025-45788

REFERENCES

url:	https://github.com/sunnyyangyaya/cuicuishark-sheep-fishiot/blob/main/totolink/a3100r-2/readme.md	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-45788	Trust: 0.8

sources: CNVD: CNVD-2025-11201 // JVNDB: JVNDB-2025-005245 // NVD: CVE-2025-45788

SOURCES

db:	CNVD	id:	CNVD-2025-11201
db:	JVNDB	id:	JVNDB-2025-005245
db:	NVD	id:	CVE-2025-45788

LAST UPDATE DATE

2025-05-31T22:49:09.650000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-11201	date:	2025-05-30T00:00:00
db:	JVNDB	id:	JVNDB-2025-005245	date:	2025-05-19T11:57:00
db:	NVD	id:	CVE-2025-45788	date:	2025-05-16T15:38:16.100

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-11201	date:	2025-05-30T00:00:00
db:	JVNDB	id:	JVNDB-2025-005245	date:	2025-05-19T00:00:00
db:	NVD	id:	CVE-2025-45788	date:	2025-05-08T20:15:30.080