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CVE-2026-75619— RTSP Heap Buffer Overflow Denial-of-Service Vulnerability on TP-Link Tapo C100 and C101

Quick assessment

Affected
TP-Link Systems Inc. Tapo C100 v5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link tapo c100是中国TP-Link公司的一款智能网络摄像机。 TP-Link Tapo C100 1.5.4 Build 260528 Rel.11462n之前版本和Tapo C101 v5 1.5.4 Build 260528 Rel.11462n之前版本存在缓冲区错误漏洞，该漏洞源于RTSP服务存在堆缓冲区溢出，可能导致经身份验证的攻击者发送包含超大长度值的特制RTSP帧数据，造成越界堆写入，导致服务崩溃和设备重启，引发拒绝服务。

CVSS 6.9 · Medium EPSS 0.41% · P34

Affected Version Matrix 2

VendorProduct Version RangeStatus
TP-Link Systems Inc. Tapo C100 v5 < 1.5.4 Build 260528 Rel.11462n affected
TP-Link Systems Inc. Tapo C101 v5 < 1.5.4 Build 260528 Rel.11462n affected
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I. Basic Information for CVE-2026-75619

Vulnerability Information
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Vulnerability Title
RTSP Heap Buffer Overflow Denial-of-Service Vulnerability on TP-Link Tapo C100 and C101
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Tapo C100 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link tapo c100是中国TP-Link公司的一款智能网络摄像机。 TP-Link Tapo C100 1.5.4 Build 260528 Rel.11462n之前版本和Tapo C101 v5 1.5.4 Build 260528 Rel.11462n之前版本存在缓冲区错误漏洞，该漏洞源于RTSP服务存在堆缓冲区溢出，可能导致经身份验证的攻击者发送包含超大长度值的特制RTSP帧数据，造成越界堆写入，导致服务崩溃和设备重启，引发拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. Tapo C100 v5 0 ~ 1.5.4 Build 260528 Rel.11462n -
TP-Link Systems Inc. Tapo C101 v5 0 ~ 1.5.4 Build 260528 Rel.11462n -

II. Public POCs for CVE-2026-75619

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III. Intelligence Information for CVE-2026-75619

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Vendor Advisories for CVE-2026-75619 (1)

Vendor Pages for CVE-2026-75619 (2)

Same Patch Batch · TP-Link Systems Inc. · 2026-08-19 · 4 CVEs total

CVE-2026-75616 8.5 HIGH Command Injection in Router Web Management Interface
CVE-2026-75618 7.1 HIGH RTSP Null Pointer Dereference Denial-of-Service Vulnerability on TP-Link Tapo C100 and C10
CVE-2026-8619 7.1 HIGH Unauthenticated Denial-of-Service Vulnerability in HTTP Service in TP-Link TL-MR100, TL-MR

IV. Related Vulnerabilities

Same product: Tapo C100 v5
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-122

V. Comments for CVE-2026-75619

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