RTSP Heap Buffer Overflow Denial-of-Service Vulnerability on TP-Link Tapo C100 and C101
Summary
| CVE | CVE-2026-75619 |
|---|---|
| State | PUBLISHED |
| Assigner | TPLink |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-19 19:17:24 UTC |
| Updated | 2026-09-04 17:08:32 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 6.9 MEDIUM from f23511db-6c3e-4e32-a477-6aa17d310630
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:X/V:X/RE:X/U:X
EPSS: 0.002620000 probability, percentile 0.177800000 (date 2026-09-07)
Problem Types: CWE-122 | CWE-122 CWE-122 Heap-based buffer overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | f23511db-6c3e-4e32-a477-6aa17d310630 | Secondary | 6.9 | MEDIUM | 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/C... |
| 4.0 | CNA | CVSS | 6.9 | MEDIUM | 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 |
| 3.1 | [email protected] | Primary | 5.7 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
CVSS v4.0 Breakdown
Attack Vector
AdjacentAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
NoneIntegrity
NoneAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Tp-link | Tapo C100 | 5.0 | All | All | All |
| Operating System | Tp-link | Tapo C100 Firmware | All | All | All | All |
| Hardware | Tp-link | Tapo C101 | 5.0 | All | All | All |
| Operating System | Tp-link | Tapo C101 Firmware | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | TP-Link Systems Inc. | Tapo C100 V5 | affected 1.5.4 Build 260528 Rel.11462n custom | Not specified |
| CNA | TP-Link Systems Inc. | Tapo C101 V5 | affected 1.5.4 Build 260528 Rel.11462n custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.tp-link.com/en/support/download/tapo-c100 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | Product, Release Notes |
| www.tp-link.com/us/support/download/tapo-c100 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | Product, Release Notes |
| www.tp-link.com/us/support/faq/5251 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | Vendor Advisory |
| www.tp-link.com/us/support/download/tapo-c101 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | Product, Release Notes |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Cooper Young (https://coopergyoung.com) (en)
There are currently no legacy QID mappings associated with this CVE.