Usg9520 Firmware
CVE-2014-9697
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.26%. |
| Exploit ScenarioDerived | A remote attacker could cause denial of service by exhausting system resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Huawei USG9560/9520/9580 before V300R001C01SPC300 allows remote attackers to cause a memory leak or denial of service (memory exhaustion, reboot and MPU switchover) via a crafted website. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. Huawei USG9560/9520/9580 before V300R001C01SPC300 allows remote attackers to cause a memory leak or denial of service (memory exhaustion, reboot and MPU switchover) via a crafted website. Affected products include: Huawei Usg9560 Firmware, Huawei Usg9520 Firmware, Huawei Usg9580 Firmware.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Huawei USG9560/9520/9580 before V300R001C01SPC300 allows remote attackers to cause a memory leak or denial of service (memory exhaustion, reboot and MPU switchover) via a crafted website.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
More in Usg9520 Firmware
View allHuawei USG9520 V300R001C01, USG9560 V300R001C01, and USG9580 V300R001C01 allow unauthenticated attackers to send abnorma
There is insecure algorithm vulnerability in Huawei products. Rated high severity (CVSS 7.5), this vulnerability is remo
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB