CVE intelligence and bounded remediation

CVE-2019-5248 — CloudEngine 12800 has a DoS vulnerability

High CVSS 7.4

CloudEngine 12800 has a DoS vulnerability. An attacker of a neighboring device sends a large number of specific packets. As a result, a memory leak occurs after the device uses the specific packet. As a result, the attacker can exploit this vulnerability to cause DoS attacks on the target device.

Severity
High
CVSS
7.4 (3.1)
Published
2019-12-13
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-401

Affected products

  • huawei / cloudengine_12800_firmware / v200r001c00spc600
  • huawei / cloudengine_12800_firmware / v200r001c00spc700
  • huawei / cloudengine_12800_firmware / v200r002c01
  • huawei / cloudengine_12800_firmware / v200r002c50spc800
  • huawei / cloudengine_12800_firmware / v200r002c50spc800pwe

Matched remediation archetype

Resource exhaustion and denial of service

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify attacker-influenced work factors including input size, nesting, compression, fan-out, regex cost, allocation, recursion, retries, and connection lifetime.
  • Map per-request and shared CPU, memory, disk, descriptor, thread, queue, and downstream-service limits.
  • Determine whether authentication, tenancy, quotas, and rate controls apply before expensive processing begins.

Remediate safely

  • Bound input size, nesting, expansion, work, concurrency, queue depth, retries, and execution time before resource-intensive processing.
  • Release resources on every success, error, cancellation, and timeout path and use backpressure instead of unbounded buffering.
  • Update affected components and add small deterministic tests that assert resource ceilings rather than exhausting a host.

Authoritative sources

Complete CVE record and remediation plan

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