CVE-2025-45790

TOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow via the priority parameter in the setMacQos interface of /lib/cste_modules/firewall.so.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3100R-4/README.md	Exploit

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:a3100r_firmware:5.9c.1527:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*

History

16 May 2025, 15:36

Type	Values Removed	Values Added
CPE		cpe:2.3:o:totolink:a3100r_firmware:5.9c.1527:::::::* cpe:2.3:h:totolink:a3100r:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~6.5~~	v2 : unknown v3 : 9.8
References	~~() https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3100R-4/README.md -~~	() https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3100R-4/README.md - Exploit
First Time		Totolink Totolink a3100r Totolink a3100r Firmware
CWE		CWE-787

12 May 2025, 19:15

Type	Values Removed	Values Added
CWE		CWE-121
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5

12 May 2025, 17:32

Type	Values Removed	Values Added
Summary		(es) TOTOLINK A3100R V5.9c.1527 es vulnerable a desbordamiento de búfer a través del parámetro de prioridad en la interfaz setMacQos de /lib/cste_modules/firewall.so.

08 May 2025, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-08 20:15

Updated : 2025-05-16 15:36

NVD link : CVE-2025-45790

Mitre link : CVE-2025-45790

CVE.ORG link : CVE-2025-45790

JSON object : View

Products Affected

totolink

a3100r
a3100r_firmware

CWE

CWE-787

Out-of-bounds Write

CWE-121

Stack-based Buffer Overflow

{"id": "CVE-2025-45790", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2025-05-08T20:15:30.327", "references": [{"url": "https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3100R-4/README.md", "tags": ["Exploit"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "TOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow via the priority parameter in the setMacQos interface of /lib/cste_modules/firewall.so."}, {"lang": "es", "value": "TOTOLINK A3100R V5.9c.1527 es vulnerable a desbordamiento de b\u00fafer a trav\u00e9s del par\u00e1metro de prioridad en la interfaz setMacQos de /lib/cste_modules/firewall.so."}], "lastModified": "2025-05-16T15:36:52.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a3100r_firmware:5.9c.1527:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27C473E7-43D4-4A3E-8FF0-D63B131D7631"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "40729E79-9D89-440F-B38D-E62D310E27F9"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}