Buffer overflow vulnerability in function SetFirewall in index.cgi in CIRCUTOR COMPACT…
Priority MEDIUM 47CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer overflow vulnerability in function SetFirewall in index.cgi in CIRCUTOR COMPACT DC-S BASIC smart metering concentrator Firwmare version CIR_CDC_v1.2.17, allows attackers to execute arbitrary code.
Why it matters now
EPSS 0.02526 84th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:circutor:compact_dc-s_basic_firmware:1.2.17:*:*:*:*:*:*:* | 1.2.17 | Vulnerable | SGE-PLC1000 SGE-PLC50 |
| cpe:2.3:h:circutor:compact_dc-s_basic:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SGE-PLC1000 SGE-PLC50 |
- cpe:2.3:o:circutor:compact_dc-s_basic_firmware:1.2.17:*:*:*:*:*:*:* Versions 1.2.17 Vulnerable ·SGE-PLC1000 SGE-PLC50
- cpe:2.3:h:circutor:compact_dc-s_basic:-:*:*:*:*:*:*:* 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-2021-26777
- 2026-10-03 Alias added: GHSA-8ggf-hm8x-6hp7
References
More SGE-PLC1000 SGE-PLC50 Compact Dc-s Basic Firmware vulnerabilities
- TI-2022-01539 Stack-based buffer overflow in SGE-PLC1000 SGE-PLC50 COMPACT DC-S BASIC CVSS 3.1HIGH 8.1
Sources
- CVE-2021-26777 · CVE Program
- CVE-2021-26777 · NVD
- FIRST EPSS
- GHSA-8ggf-hm8x-6hp7 · 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