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Sge Plc1000 Firmware EUVD-2025-200238

| CVE-2025-11778 CRITICAL
Heap-based Buffer Overflow (CWE-122)
2025-12-02 cve-coordination@incibe.es
Buffer Overflow Heap Overflow Sge Plc1000 Firmware Sge Plc50 Firmware
9.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 15, 2026 - 14:04 euvd
EUVD-2025-200238
Analysis Generated
Mar 15, 2026 - 14:04 vuln.today
CVE Published
Dec 02, 2025 - 13:15 nvd
CRITICAL 9.8

DescriptionNVD

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.

Analysis

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.

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Heap-based Buffer Overflow (CWE-122).

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

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EUVD-2025-200238 vulnerability details – vuln.today
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