NULL pointer dereference in Moxa OnCell G3100-HSPA Series
Priority LOW 29CWE-476Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
A NULL Pointer Dereference issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application does not check for a NULL value, allowing for an attacker to perform a denial of service attack.
Why it matters now
EPSS 0.00484 41st 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 |
|---|---|---|---|---|---|
| — | Moxa OnCell G3100-HSPA Series | Moxa OnCell G3100-HSPA Series | — | No fix listed | CNA |
- Moxa OnCell G3100-HSPA Series Vendor— Affected Moxa OnCell G3100-HSPA Series Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:oncell_g3150-hspa-t_firmware:*:*:*:*:*:*:*:* | up to 1.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:oncell_g3150-hspa-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:oncell_g3110-hspa-t_firmware:*:*:*:*:*:*:*:* | up to 1.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:oncell_g3110-hspa-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:oncell_g3150-hspa_firmware:*:*:*:*:*:*:*:* | up to 1.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:oncell_g3150-hspa:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:oncell_g3110-hspa_firmware:*:*:*:*:*:*:*:* | up to 1.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:oncell_g3110-hspa:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:oncell_g3150-hspa-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:oncell_g3150-hspa-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:oncell_g3110-hspa-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:oncell_g3110-hspa-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:oncell_g3150-hspa_firmware:*:*:*:*:*:*:*:* Versions up to 1.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:oncell_g3150-hspa:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:oncell_g3110-hspa_firmware:*:*:*:*:*:*:*:* Versions up to 1.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:oncell_g3110-hspa:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-5449
- 2026-10-03 Alias added: GHSA-836c-7qj9-w7cj
References
More Moxa Oncell G3110-hspa-t Firmware vulnerabilities
- TI-2018-03967 Improper authentication in Moxa OnCell G3100-HSPA Series CVSS 3.0CRITICAL 9.8
- TI-2018-03965 Memory corruption in Moxa OnCell G3100-HSPA Series CVSS 3.0HIGH 7.5
Sources
- CVE-2018-5449 · CVE Program
- CVE-2018-5449 · NVD
- FIRST EPSS
- GHSA-836c-7qj9-w7cj · GitHub Advisory Database · CC BY 4.0
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