Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-6518


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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 16 products from huawei, from huawei, from huawei and 13 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2016-09-26T15:59:01.780

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System huawei s5300_firmware v200r001c00 Yes
Operating System huawei s5300_firmware v200r002c00 Yes
Operating System huawei s5300_firmware v200r003c00 Yes
Operating System huawei s5300_firmware v200r005c00 Yes
Operating System huawei s5300_firmware v200r005c01 Yes
Operating System huawei s5300_firmware v200r005c02 Yes
Operating System huawei s5300_firmware v200r006c00 Yes
Operating System huawei s5300_firmware v200r007c00 Yes
Operating System huawei s5300_firmware v200r008c00 Yes
Hardware huawei s5300 - No
Operating System huawei s12700_firmware v200r005c00 Yes
Operating System huawei s12700_firmware v200r006c00 Yes
Operating System huawei s12700_firmware v200r008c00 Yes
Hardware huawei s12700 - No
Operating System huawei s6300_firmware v200r001c00 Yes
Operating System huawei s6300_firmware v200r002c00 Yes
Operating System huawei s6300_firmware v200r003c00 Yes
Operating System huawei s6300_firmware v200r005c00 Yes
Operating System huawei s6300_firmware v200r005c01 Yes
Operating System huawei s6300_firmware v200r005c02 Yes
Operating System huawei s6300_firmware v200r008c00 Yes
Hardware huawei s6300 - No
Operating System huawei s7700_firmware v200r001c00 Yes
Operating System huawei s7700_firmware v200r002c00 Yes
Operating System huawei s7700_firmware v200r003c00 Yes
Operating System huawei s7700_firmware v200r005c00 Yes
Operating System huawei s7700_firmware v200r006c00 Yes
Operating System huawei s7700_firmware v200r008c00 Yes
Hardware huawei s7700 - No
Operating System huawei s5700_firmware v200r001c00 Yes
Operating System huawei s5700_firmware v200r001c01 Yes
Operating System huawei s5700_firmware v200r002c00 Yes
Operating System huawei s5700_firmware v200r003c00 Yes
Operating System huawei s5700_firmware v200r003c02 Yes
Operating System huawei s5700_firmware v200r005c00 Yes
Operating System huawei s5700_firmware v200r006c00 Yes
Operating System huawei s5700_firmware v200r008c00 Yes
Hardware huawei s5700 - No
Operating System huawei s6700_firmware v200r001c00 Yes
Operating System huawei s6700_firmware v200r001c01 Yes
Operating System huawei s6700_firmware v200r002c00 Yes
Operating System huawei s6700_firmware v200r003c00 Yes
Operating System huawei s6700_firmware v200r008c00 Yes
Hardware huawei s6700 - No
Operating System huawei s9700_firmware v200r001c00 Yes
Operating System huawei s9700_firmware v200r001c01 Yes
Operating System huawei s9700_firmware v200r002c00 Yes
Operating System huawei s9700_firmware v200r003c00 Yes
Operating System huawei s9700_firmware v200r005c00 Yes
Operating System huawei s9700_firmware v200r006c00 Yes
Operating System huawei s9700_firmware v200r008c00 Yes
Hardware huawei s9700 - No
Operating System huawei s9300_firmware v200r001c00 Yes
Operating System huawei s9300_firmware v200r003c00 Yes
Operating System huawei s9300_firmware v200r005c00 Yes
Operating System huawei s9300_firmware v200r006c00 Yes
Operating System huawei s9300_firmware v200r008c00 Yes
Hardware huawei s9300 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For huawei's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.