CVE intelligence and bounded remediation
CVE-2025-11778 — Stack-based buffer overflow in Circutor SGE-PLC1000/SGE-PLC50 v0.9.2
Critical
CVSS 10
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.
- Severity
- Critical
- CVSS
- 10 (4.0)
- Published
- 2025-12-02
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-122
Affected products
- circutor / sge-plc1000_firmware / 0.9.2
- circutor / sge-plc50_firmware / 0.9.2
Matched remediation archetype
Buffer bounds, memory safety, and memory corruption
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
- Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
- Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.
Remediate safely
- Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
- Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
- Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.
Authoritative sources
Complete CVE record and remediation plan
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