EUVD-2026-39435
GHSA-78h5-xc8j-448r
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/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
Network vector with high-privilege auth required (PR:H); availability-only impact with no confidentiality or integrity exposure and unchanged scope.
Primary rating from Vendor (schneider).
CVSS VectorVendor: schneider
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/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
Lifecycle Timeline
1DescriptionCVE.org
CWE-617 Reachable Assertion vulnerability exists that could allow an authenticated attacker to trigger a denial-of-service condition, impacting system availability when a specially crafted request is sent to a vulnerable network-exposed service.
AnalysisAI
Denial-of-service in Schneider Electric PowerLogic P7 power monitoring devices allows an authenticated attacker to crash a network-exposed service by sending a specially crafted request that triggers a reachable assertion (CWE-617), fully disrupting availability. The CVSS 4.0 score of 6.9 reflects the high-privilege prerequisite (PR:H) that constrains exploitation to actors with administrative credentials, while the availability impact is rated high (VA:H) with no confidentiality or integrity consequences. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a network-reachable PowerLogic P7 with a vulnerable firmware version and an authenticated session with high-privilege credentials (PR:H per CVSS 4.0 vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N) positions this as a moderate-severity issue gated by high-privilege authentication, which is the primary mitigating factor against opportunistic or automated exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained high-privilege credentials to the PowerLogic P7 - either through credential theft, a compromised jump host, or insider access - connects to the device's network-exposed service and sends a specially crafted malformed request. The request triggers an internal assertion check that evaluates to false, causing the service process to abort and rendering the power monitoring unit unavailable. … |
| Remediation | Consult Schneider Electric advisory SEVD-2026-160-03 (https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-160-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-160-03.pdf) for patched firmware versions - no exact fix version is independently confirmable from the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-617 – Reachable Assertion
View allSame technique Denial Of Service
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External POC / Exploit Code
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