Improper input validation in Huawei S12700, S5700, S6700, S7700, S9700
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Huawei S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, S9700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00 have a denial of service (DoS) vulnerability. Due to the lack of input validation, a remote attacker may craft a malformed Resource Reservation Protocol (RSVP) packet and send it to the device, causing a few buffer overflows and occasional device restart.
Why it matters now
EPSS 0.01732 77th 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 |
|---|---|---|---|---|---|
| Huawei | S12700, S5700, S6700, S7700, S9700 | S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, S9700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00 | — | No fix listed | CNA |
- S12700, S5700, S6700, S7700, S9700 VendorHuawei Affected S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, S9700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00 Fixed in — No fix listed CNA
CPE configurations NVD · 27
| 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:v200r007c00:*:*:*:*:*:*:* | v200r007c00 | 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:s5700_firmware:v200r006c00:*:*:*:*:*:*:* | v200r006c00 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:s5700_firmware:v200r007c00:*:*:*:*:*:*:* | v200r007c00 | 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:v200r008c00:*:*:*:*:*:*:* | v200r008c00 | Vulnerable | 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:v200r007c00:*:*:*:*:*:*:* Versions v200r007c00 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:s5700_firmware:v200r006c00:*:*:*:*:*:*:* Versions v200r006c00 Vulnerable ·Huawei
- cpe:2.3:o:huawei:s5700_firmware:v200r007c00:*:*:*:*:*:*:* Versions v200r007c00 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:v200r008c00:*:*:*:*:*:*:* Versions v200r008c00 Vulnerable ·Huawei
Show 17 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:huawei:s6700:-:*:*:*:*:*:*:* | 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:v200r007c00:*:*:*:*:*:*:* | v200r007c00 | 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:s9700_firmware:v200r001c00:*:*:*:*:*:*:* | v200r001c00 | 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:v200r007c00:*:*:*:*:*:*:* | v200r007c00 | 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:h:huawei:s6700:-:*:*:*:*:*:*:* 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:v200r007c00:*:*:*:*:*:*:* Versions v200r007c00 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:s9700_firmware:v200r001c00:*:*:*:*:*:*:* Versions v200r001c00 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:v200r007c00:*:*:*:*:*:*:* Versions v200r007c00 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8786
- 2026-10-03 Alias added: GHSA-v32r-xrgh-2vx8
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-2017-05722 Improper input validation in Huawei AC6005,AC6605,AR1200,AR200,AR3200,CloudEngine… CVSS 3.0HIGH 7.5
- TI-2016-07222 Improper input validation in S5300,S5700,S6300,S6700,S7700,9300,9700,S12700 S5300 with… CVSS 3.0HIGH 7.5
Sources
- CVE-2016-8786 · CVE Program
- CVE-2016-8786 · NVD
- FIRST EPSS
- GHSA-v32r-xrgh-2vx8 · GitHub Advisory Database · CC BY 4.0
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