Vulnerability · Published Aug 19, 2026 · Assigned by TPLink
CVE-2026-75619RTSP Heap Buffer Overflow Denial-of-Service Vulnerability on TP-Link Tapo C100 and C101
Medium 6.9
In plain English
A medium-severity heap buffer overflow in Tapo C100 v5 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Official description
Tapo C100/C101 V5 contains a heap-based buffer overflow vulnerability in the RTSP service. An authenticated attacker on the local network can send specially crafted RTSP frame data containing oversized length values, resulting in out-of-bounds heap writes. Successful exploitation can crash the RTSP service and trigger a device reboot, resulting in a temporary denial-of-service condition.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | Tapo C100 v5 | 0 – before 1.5.4 Build 260528 Rel.11462n |
| TP-Link Systems Inc. | Tapo C101 v5 | 0 – before 1.5.4 Build 260528 Rel.11462n |
Weakness: CWE-122 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References
- https://www.tp-link.com/us/support/download/tapo-c100/#Firmware-Release-Notes patch
- https://www.tp-link.com/us/support/download/tapo-c101/#Firmware-Release-Notes patch
- https://www.tp-link.com/us/support/faq/5251/ vendor-advisory
- https://www.tp-link.com/en/support/download/tapo-c100/#Firmware-Release-Notes patch