Memory leak in Huawei S9300, S5300, S5700, S6700, S7700, S9700, and S12700 devices allows…
Priority LOW 35CWE-399Published · 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Memory leak in Huawei S9300, S5300, S5700, S6700, S7700, S9700, and S12700 devices allows remote attackers to cause a denial of service (memory consumption and restart) via a large number of malformed packets.
Why it matters now
EPSS 0.01096 65th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 58
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:s5300_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r002c00:*:*:*:*:*:*:* | v200r002c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r005c01:*:*:*:*:*:*:* | v200r005c01 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r005c02:*:*:*:*:*:*:* | v200r005c02 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r007c00:*:*:*:*:*:*:* | v200r007c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5300_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s5300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:s5300_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r002c00:*:*:*:*:*:*:* Versions v200r002c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r005c01:*:*:*:*:*:*:* Versions v200r005c01 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r005c02:*:*:*:*:*:*:* Versions v200r005c02 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r007c00:*:*:*:*:*:*:* Versions v200r007c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5300_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s5300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Show 48 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:s12700_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s12700_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s12700_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s12700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r002c00:*:*:*:*:*:*:* | v200r002c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r005c01:*:*:*:*:*:*:* | v200r005c01 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r005c02:*:*:*:*:*:*:* | v200r005c02 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6300_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s6300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:s7700_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s7700_firmware:v200r002c00:*:*:*:*:*:*:* | v200r002c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s7700_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s7700_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s7700_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s7700_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s7700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r001c01:*:*:*:*:*:*:* | v200r001c01 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r002c00:*:*:*:*:*:*:* | v200r002c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r003c02:*:*:*:*:*:*:* | v200r003c02 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s5700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:s6700_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6700_firmware:v200r001c01:*:*:*:*:*:*:* | v200r001c01 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6700_firmware:v200r002c00:*:*:*:*:*:*:* | v200r002c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6700_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s6700_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s6700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r001c01:*:*:*:*:*:*:* | v200r001c01 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r002c00:*:*:*:*:*:*:* | v200r002c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9700_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s9700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:s9300_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9300_firmware:v200r003c00:*:*:*:*:*:*:* | v200r003c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9300_firmware:v200r005c00:*:*:*:*:*:*:* | v200r005c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9300_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s9300_firmware:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:s9300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:s12700_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s12700_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s12700_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s12700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r002c00:*:*:*:*:*:*:* Versions v200r002c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r005c01:*:*:*:*:*:*:* Versions v200r005c01 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r005c02:*:*:*:*:*:*:* Versions v200r005c02 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6300_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s6300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:s7700_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s7700_firmware:v200r002c00:*:*:*:*:*:*:* Versions v200r002c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s7700_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s7700_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s7700_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s7700_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s7700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r001c01:*:*:*:*:*:*:* Versions v200r001c01 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r002c00:*:*:*:*:*:*:* Versions v200r002c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r003c02:*:*:*:*:*:*:* Versions v200r003c02 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s5700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:s6700_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6700_firmware:v200r001c01:*:*:*:*:*:*:* Versions v200r001c01 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6700_firmware:v200r002c00:*:*:*:*:*:*:* Versions v200r002c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6700_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s6700_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s6700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r001c01:*:*:*:*:*:*:* Versions v200r001c01 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r002c00:*:*:*:*:*:*:* Versions v200r002c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9700_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s9700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:s9300_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9300_firmware:v200r003c00:*:*:*:*:*:*:* Versions v200r003c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9300_firmware:v200r005c00:*:*:*:*:*:*:* Versions v200r005c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9300_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s9300_firmware:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:s9300:-:*:*:*:*:*:*:* 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-2016-6518
- 2026-10-03 Alias added: GHSA-fv5m-699v-qxvc
References
More Huawei S12700 Firmware vulnerabilities
- TI-2015-02479 The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly… CVSS 3.1LOW 3.7
- TI-2016-03476 Huawei S12700 switches with software before V200R008C00SPC500 and S5700 switches with… CVSS 3.0HIGH 8.1
- TI-2019-03714 Improper input validation in Huawei S12700, S12700, S12700, S12700, S12700, S12700… CVSS 3.0HIGH 7.5
- TI-2017-12674 Improper input validation in Huawei S12700,S5700,S6700,S7700,S9700 CVSS 3.0HIGH 7.5
- TI-2016-07233 Improper input validation in Huawei S12700, S5700, S6700, S7700, S9700 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-2016-6518 · CVE Program
- CVE-2016-6518 · NVD
- FIRST EPSS
- GHSA-fv5m-699v-qxvc · 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