CVE-2026-104945: CWE-121 Stack-based buffer overflow in TP-Link Systems Inc. Tapo C500 v2.0
Description
TP-Link Tapo C500 v2.0 contains a stack-based buffer overflow vulnerability in its ONVIF PTZ SOAP handlers. An authenticated ONVIF client can trigger this by submitting too many preset-related elements, causing out-of-bounds writes on the stack and crashing the affected service. This results in a denial-of-service condition impacting camera management and PTZ functionality until recovery or restart.
CVSS v4.0
Score 6.8medium
Affected software
TP-Link Systems Inc.
Tapo C500 v2.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-104945 is a stack-based buffer overflow vulnerability (CWE-121) in TP-Link Tapo C500 v2.0's ONVIF PTZ SOAP handlers. An authenticated ONVIF client can exploit this by sending an excessive number of preset-related elements, causing out-of-bounds writes beyond fixed-size stack arrays. This leads to a crash of the affected service, resulting in denial-of-service. The vulnerability requires authentication and does not involve user interaction or network vector without authentication. No known exploits in the wild have been reported.
Potential Impact
Successful exploitation causes a denial-of-service condition by crashing the ONVIF PTZ service on the affected camera, disrupting camera management and PTZ-related functionality until the service recovers or restarts. There is no indication of code execution or data disclosure from the provided information.
Mitigation Recommendations
No patch or official fix information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to authenticated ONVIF clients and monitor for unusual service crashes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TPLink
- Date Reserved
- 2026-10-02T17:39:51.763Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ac546332cdf04f656d49cd6
Added to database: 10/06/2026, 19:04:19 UTC
Last enriched: 10/06/2026, 22:49:22 UTC
Last updated: 10/06/2026, 22:49:22 UTC
Views: 2
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