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Vulnerability record · CVE-2026-75619 · published 19 August 2026

CVE-2026-75619: Tp-link tapo c100 firmware heap-based buffer overflow vulnerability

Tp Link · Tapo C100 Firmware

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.

6.9 CVSS 4.0 Medium EPSS 0.42% · top 66.7% CWE-122 · Heap-based buffer overflow
6.9CVSS 4.0 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
4 Sep 2026Last modified by NVD

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.

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/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:

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tp-link.com/en/support/download/tapo-c100/#Firmware-Release-Notes ProductRelease Notes
https://www.tp-link.com/us/support/download/tapo-c100/#Firmware-Release-Notes ProductRelease Notes
https://www.tp-link.com/us/support/download/tapo-c101/#Firmware-Release-Notes ProductRelease Notes
https://www.tp-link.com/us/support/faq/5251/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-75619), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.