CVE-2025-40570

LOW
2025-08-12 [email protected]
2.4
CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:06 vuln.today
CVE Published
Aug 12, 2025 - 12:15 nvd
LOW 2.4

DescriptionNVD

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V10.0), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SA82 (CP150) (All versions < V10.0), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SD82 (CP150) (All versions < V10.0), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SJ81 (CP150) (All versions < V10.0), SIPROTEC 5 7SJ82 (CP150) (All versions < V10.0), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SK82 (CP150) (All versions < V10.0), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SL82 (CP150) (All versions < V10.0), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7ST85 (CP300) (All versions < V10.0), SIPROTEC 5 7ST86 (CP300) (All versions < V10.0), SIPROTEC 5 7SX82 (CP150) (All versions < V10.0), SIPROTEC 5 7SX85 (CP300) (All versions < V10.0), SIPROTEC 5 7SY82 (CP150) (All versions < V10.0), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT82 (CP150) (All versions < V10.0), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VU85 (CP300) (All versions < V10.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V10.0). Affected devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop responding to any network traffic via the local USB port. Affected devices reset themselves automatically after a successful attack. The protection function is not affected of this vulnerability.

AnalysisAI

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V10.0), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 <. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V10.0), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SA82 (CP150) (All versions < V10.0), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SD82 (CP150) (All versions < V10.0), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SJ81 (CP150) (All versions < V10.0), SIPROTEC 5 7SJ82 (CP150) (All versions < V10.0), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SK82 (CP150) (All versions < V10.0), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SL82 (CP150) (All versions < V10.0), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7ST85 (CP300) (All versions < V10.0), SIPROTEC 5 7ST86 (CP300) (All versions < V10.0), SIPROTEC 5 7SX82 (CP150) (All versions < V10.0), SIPROTEC 5 7SX85 (CP300) (All versions < V10.0), SIPROTEC 5 7SY82 (CP150) (All versions < V10.0), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT82 (CP150) (All versions < V10.0), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VU85 (CP300) (All versions < V10.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V10.0). Affected devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop responding to any network traffic via the local USB port. Affected devices reset themselves automatically after a successful attack. The protection function is not affected of this vulnerability.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.

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CVE-2025-40570 vulnerability details – vuln.today

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