There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine…
Priority LOW 34CWE-772Published · Updated
Key facts
- Attack vector
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-772.
Summary
There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine 5800 V200R019C00SPC800, CloudEngine 6800 V200R019C00SPC800 and CloudEngine 7800 V200R019C00SPC800. The software does not sufficiently track and release allocated memory while parse a series of crafted binary messages, which could consume remaining memory. Successful exploit could cause memory exhaust.
Why it matters now
EPSS 0.00677 52nd percentileScored 2026-11-08
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 |
|---|---|---|---|---|---|
| — | CloudEngine 12800;CloudEngine 5800;CloudEngine 6800;CloudEngine 7800 | V200R019C00SPC800 | — | No fix listed | CNA |
- CloudEngine 12800;CloudEngine 5800;CloudEngine 6800;CloudEngine 7800 Vendor— Affected V200R019C00SPC800 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r019c00spc800:*:*:*:*:*:*:* | v200r019c00spc800 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:cloudengine_7800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r019c00spc800:*:*:*:*:*:*:* | v200r019c00spc800 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:cloudengine_6800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r019c00spc800:*:*:*:*:*:*:* | v200r019c00spc800 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:cloudengine_5800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00spc800:*:*:*:*:*:*:* | v200r019c00spc800 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:cloudengine_12800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r019c00spc800:*:*:*:*:*:*:* Versions v200r019c00spc800 Vulnerable ·Huawei
- cpe:2.3:h:huawei:cloudengine_7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r019c00spc800:*:*:*:*:*:*:* Versions v200r019c00spc800 Vulnerable ·Huawei
- cpe:2.3:h:huawei:cloudengine_6800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r019c00spc800:*:*:*:*:*:*:* Versions v200r019c00spc800 Vulnerable ·Huawei
- cpe:2.3:h:huawei:cloudengine_5800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00spc800:*:*:*:*:*:*:* Versions v200r019c00spc800 Vulnerable ·Huawei
- cpe:2.3:h:huawei:cloudengine_12800:-:*:*:*:*:*:*:* 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-2021-40008
- 2026-10-03 Alias added: GHSA-2c7w-qmwm-xgjp
- 2026-10-06 EPSS moved to the 50th–90th percentile
References
More Huawei Cloudengine 12800 Firmware vulnerabilities
- TI-2016-05301 Huawei NE40E and CX600 devices with software before V800R007SPH017; PTN 6900-2-M8 devices… CVSS 3.0CRITICAL 9.8
- TI-2017-12675 Improper certificate validation in Huawei… CVSS 3.0CRITICAL 9.8
- TI-2020-07360 Improper authentication in Huawei CloudEngine 12800 CVSS 3.1HIGH 7.8
- TI-2020-07334 Memory leak in Huawei CloudEngine 12800 CVSS 3.1HIGH 7.5
- TI-2017-11262 Huawei CloudEngine 12800 V100R003C00, V100R005C00, V100R005C10, V100R006C00,CloudEngine… CVSS 3.0HIGH 7.5
- TI-2017-05722 Improper input validation in Huawei AC6005,AC6605,AR1200,AR200,AR3200,CloudEngine… CVSS 3.0HIGH 7.5
Sources
- CVE-2021-40008 · CVE Program
- CVE-2021-40008 · NVD
- FIRST EPSS
- GHSA-2c7w-qmwm-xgjp · GitHub Advisory Database · CC BY 4.0
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