CVE intelligence and bounded remediation
CVE-2025-6530 — A vulnerability was found in 70mai M300 up to 20250611
A vulnerability was found in 70mai M300 up to 20250611. It has been classified as problematic. This affects an unknown part of the file demo.sh of the component Telnet Service. The manipulation leads to denial of service. Access to the local network is required for this attack. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Severity
- Medium
- CVSS
- 5 (4.0)
- Published
- 2025-06-23
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-404
Affected products
- 70mai / m300_firmware
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
The detailed catalog view below loads this exact record, its source evidence, and the full seven-phase agentic change plan.