CVE-2025-11778

Stack-based buffer overflow in Circutor SGE-PLC1000/SGE-PLC50 v0.9.2. This vulnerability allows an attacker to remotely exploit memory corruption through the 'read_packet()' function of the TACACSPLUS implementation.

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://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circutor-products-0	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2:*:*:*:*:*:*:*

cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:circutor:sge-plc50_firmware:0.9.2:*:*:*:*:*:*:*

cpe:2.3:h:circutor:sge-plc50:-:*:*:*:*:*:*:*

History

03 Dec 2025, 19:07

Type	Values Removed	Values Added
First Time		Circutor sge-plc50 Circutor sge-plc1000 Firmware Circutor sge-plc50 Firmware Circutor Circutor sge-plc1000
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circutor-products-0 -~~	() https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circutor-products-0 - Third Party Advisory
CPE		cpe:2.3:h:circutor:sge-plc1000:-:::::::* cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2:::::::* cpe:2.3:h:circutor:sge-plc50:-:::::::* cpe:2.3:o:circutor:sge-plc50_firmware:0.9.2:::::::*

02 Dec 2025, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-02 13:15

Updated : 2025-12-03 19:07

NVD link : CVE-2025-11778

Mitre link : CVE-2025-11778

CVE.ORG link : CVE-2025-11778

JSON object : View

Products Affected

circutor

sge-plc50
sge-plc1000_firmware
sge-plc1000
sge-plc50_firmware

CWE

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2025-11778", "cveTags": [{"tags": ["unsupported-when-assigned"], "sourceIdentifier": "[email protected]"}], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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}], "cvssMetricV40": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 10.0, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-12-02T13:15:47.400", "references": [{"url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circutor-products-0", "tags": ["Third Party Advisory"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Stack-based buffer overflow in Circutor SGE-PLC1000/SGE-PLC50 v0.9.2. This vulnerability allows an attacker to remotely exploit memory corruption through the 'read_packet()' function of the TACACSPLUS implementation."}], "lastModified": "2025-12-03T19:07:08.650", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E3370BA-F0CD-42E3-BAAE-B2FE3E6D413B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "FFF41215-1018-42DD-9A7E-BBC2E5B4522D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:circutor:sge-plc50_firmware:0.9.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FE73FE9-C7E7-468D-A73B-0B276A6FE94E"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:circutor:sge-plc50:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "447D1571-5329-422D-8E31-F4964E412FC3"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}