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CVE-2026-75618— RTSP Null Pointer Dereference 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.

Tapo C100/C101 V5 设备的 RTSP 服务存在一个空指针解引用漏洞。局域网内的攻击者可以通过发送精心构造的请求，导致服务解引用无效指针，从而引发服务崩溃及设备重启。成功利用该漏洞将中断实时视频流功能，造成临时性的拒绝服务（DoS）状态。

CVSS 7.1 · High EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood

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-2026-75618

Vulnerability Information
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Vulnerability Title
RTSP Null Pointer Dereference 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 null pointer dereference vulnerability in the RTSP service. An attacker on the local network can send specially crafted requests that cause the service to dereference an invalid pointer, resulting in a service crash and device reboot. Successful exploitation can disrupt live video streaming functionality and cause a temporary denial-of-service condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5

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-2026-75618

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III. Intelligence Information for CVE-2026-75618

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Vendor Advisories for CVE-2026-75618 (1)

Vendor Pages for CVE-2026-75618 (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-2026-8619 7.1 HIGH Unauthenticated Denial-of-Service Vulnerability in HTTP Service in TP-Link TL-MR100, TL-MR
CVE-2026-75619 6.9 MEDIUM RTSP Heap Buffer Overflow Denial-of-Service Vulnerability on TP-Link Tapo C100 and C101

IV. Related Vulnerabilities

Same product: Tapo C100 v5
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-476

V. Comments for CVE-2026-75618

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