Buffer overflow in TP-Link Tapo C100 Firmware
CVE-2026-75619
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, Release Notes, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, Release Notes, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, Release Notes, patch)
Frequently asked questions
- What is CVE-2026-75619?
- CVE-2026-75619 is a medium-severity vulnerability in TP-Link Tapo C100 Firmware, classified under Heap-based Buffer Overflow. CVSS score: 5.7/10. Published 2026-08-19.
- How severe is CVE-2026-75619?
- Medium severity. CVSS v3 base score is 5.7 out of 10.