CVE-2025-8065

Remote Code Execution via Stack-based Buffer Overflow in ONVIF SOAP Parser in TP-Link Tapo C200 and C520WS

MEDIUM
6.5
CVSS Score
Published: December 20, 2025 at 12:41 AM UTC
Updated: September 25, 2026 at 11:27 PM UTC
3 products affected across 1 vendorTapo C200 FirmwareTapo C200Link Tapo C520WS

Using Tapo C200 V3 by TP-Link Systems Inc.?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A buffer overflow vulnerability exists in the ONVIF XML parser of Tapo C200 V3. An unauthenticated attacker on the same local network segment can send specially crafted SOAP XML requests, causing memory overflow and device crash, resulting in denial-of-service (DoS).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.2.4 Build 260326 Rel.24666n
Affected range stops below 1.2.4 Build 260326 Rel.24666n, so it looks safe — our inference, not a vendor statement
v < V3_1.4.5 Build 251104
Affected range stops below V3_1.4.5 Build 251104, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400CWE-121CWE-120

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