Resource management flaw in Secospace USG6300, Secospace USG6500, Secospace USG6600…
Priority LOW 31CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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-399 and the CVSS impact.
Summary
Huawei Secospace USG6300 with software V500R001C20 and V500R001C20SPC200PWE, Secospace USG6500 with software V500R001C20, Secospace USG6600 with software V500R001C20 and V500R001C20SPC200PWE allow remote attackers with specific permission to log in to a device and deliver a large number of unspecified commands to exhaust memory, causing a DoS condition.
Why it matters now
EPSS 0.01253 69th 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 |
|---|---|---|---|---|---|
| — | Secospace USG6300, Secospace USG6500, Secospace USG6600 Secospace USG6300 V500R001C20 and V500R001C20SPC200PWE,Secospace USG6500 V500R001C20,Secospace USG6600 V500R001C20 and V500R001C20SPC200PWE | Secospace USG6300, Secospace USG6500, Secospace USG6600 Secospace USG6300 V500R001C20 and V500R001C20SPC200PWE,Secospace USG6500 V500R001C20,Secospace USG6600 V500R001C20 and V500R001C20SPC200PWE | — | No fix listed | CNA |
- Secospace USG6300, Secospace USG6500, Secospace USG6600 Secospace USG6300 V500R001C20 and V500R001C20SPC200PWE,Secospace USG6500 V500R001C20,Secospace USG6600 V500R001C20 and V500R001C20SPC200PWE Vendor— Affected Secospace USG6300, Secospace USG6500, Secospace USG6600 Secospace USG6300 V500R001C20 and V500R001C20SPC200PWE,Secospace USG6500 V500R001C20,Secospace USG6600 V500R001C20 and V500R001C20SPC200PWE Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c20:*:*:*:*:*:*:* | v500r001c20 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c20spc200pwe:*:*:*:*:*:*:* | v500r001c20spc200pwe | Vulnerable | Huawei |
| cpe:2.3:h:huawei:secospace_usg6300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c20:*:*:*:*:*:*:* | v500r001c20 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:secospace_usg6500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c20:*:*:*:*:*:*:* | v500r001c20 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c20spc200pwe:*:*:*:*:*:*:* | v500r001c20spc200pwe | Vulnerable | Huawei |
| cpe:2.3:h:huawei:secospace_usg6600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c20:*:*:*:*:*:*:* Versions v500r001c20 Vulnerable ·Huawei
- cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c20spc200pwe:*:*:*:*:*:*:* Versions v500r001c20spc200pwe Vulnerable ·Huawei
- cpe:2.3:h:huawei:secospace_usg6300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c20:*:*:*:*:*:*:* Versions v500r001c20 Vulnerable ·Huawei
- cpe:2.3:h:huawei:secospace_usg6500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c20:*:*:*:*:*:*:* Versions v500r001c20 Vulnerable ·Huawei
- cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c20spc200pwe:*:*:*:*:*:*:* Versions v500r001c20spc200pwe Vulnerable ·Huawei
- cpe:2.3:h:huawei:secospace_usg6600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8781
- 2026-10-03 Alias added: GHSA-rxqf-6xmp-g3cf
References
More Huawei Secospace Usg6300 Firmware vulnerabilities
- TI-2016-03941 Buffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the… CVSS 3.0CRITICAL 9.8
- TI-2020-07310 Improper authentication in IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace… CVSS 3.1CRITICAL 9.8
- TI-2019-03686 Out-of-bounds read in AP2000;IPS Module;NGFW… CVSS 3.1HIGH 8.6
- TI-2017-11261 Improper input validation in Huawei IPS Module,NGFW Module,NIP6300,NIP6600,Secospace… CVSS 3.0HIGH 7.5
- TI-2019-14007 Memory corruption in Huawei AR120-S CVSS 3.1HIGH 7.5
- TI-2019-14006 Memory corruption in Huawei AR120-S CVSS 3.1HIGH 7.5
Sources
- CVE-2016-8781 · CVE Program
- CVE-2016-8781 · NVD
- FIRST EPSS
- GHSA-rxqf-6xmp-g3cf · 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