Circutor SGE-PLC1000 improper authentication
Priority LOW 38CWE-565Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located.
Why it matters now
EPSS 0.00428 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SGE-PLC1000 SGE-PLC50 | SGE-PLC1000 | 0.9.2b | — | No fix listed | CNA |
- SGE-PLC1000 VendorSGE-PLC1000 SGE-PLC50 Affected 0.9.2b Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2b:*:*:*:*:*:*:* | 0.9.2b | Vulnerable | SGE-PLC1000 SGE-PLC50 |
| cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SGE-PLC1000 SGE-PLC50 |
- cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2b:*:*:*:*:*:*:* Versions 0.9.2b Vulnerable ·SGE-PLC1000 SGE-PLC50
- cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SGE-PLC1000 SGE-PLC50
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33842
- 2026-10-03 Alias added: GHSA-vmhr-5qxj-xvcm
References
More SGE-PLC1000 SGE-PLC50 Sge-plc1000 Firmware vulnerabilities
- TI-2025-10798 Stack-based buffer overflow vulnreability in Circutor SGE-PLC1000/SGE-PLC50 CVSS 4.0CRITICAL 10.0
- TI-2021-13186 Circutor SGE-PLC1000 OS command Injection CVSS 3.1CRITICAL 10.0
- TI-2025-10808 Heap-based buffer overflow in SGE-PLC1000 SGE-PLC50 Circutor CVSS 4.0HIGH 8.5
- TI-2025-10799 Stack-based buffer overflow vulnreability in Circutor SGE-PLC1000/SGE-PLC50 CVSS 4.0CRITICAL 9.4
- TI-2025-10807 Command injection vulnerability in Circutor SGE-PLC1000/SGE-PLC50 CVSS 4.0HIGH 8.5
- TI-2025-10803 Stack-based buffer overflow in SGE-PLC1000 SGE-PLC50 Circutor CVSS 4.0HIGH 8.5
Sources
- CVE-2021-33842 · CVE Program
- CVE-2021-33842 · NVD
- FIRST EPSS
- GHSA-vmhr-5qxj-xvcm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences