CVE-2026-1315— Unauthenticated Denial of Service via Firmware Update Endpoint on TP-Link Tapo C220 & C520WS
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I. Basic Information for CVE-2026-1315
Vulnerability Information
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Vulnerability Title
Unauthenticated Denial of Service via Firmware Update Endpoint on TP-Link Tapo C220 & C520WS
Source: NVD (National Vulnerability Database)
Vulnerability Description
By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core system services before verifying authentication or firmware integrity. An unauthenticated attacker can trigger a persistent denial of service, requiring a manual reboot or application initiated restart to restore normal device operation.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
TP-Link Tapo C220和TP-Link Tapo C520WS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Tapo C220和TP-Link Tapo C520WS都是中国普联（TP-Link）公司的一个WiFi摄像头。 TP-Link Tapo C220 v1和C520WS v2存在安全漏洞，该漏洞源于固件更新端点未验证身份或完整性即终止核心服务，可能导致持久性拒绝服务。
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 C220 v1 | 0 ~ 1.4.2 Build 251112 | - | |
| TP-Link Systems Inc. | Tapo C520WS v2 | 0 ~ 1.2.3 Build 251114 | - |
II. Public POCs for CVE-2026-1315
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · TP-Link Systems Inc. · 2026-01-27 · 3 CVEs total
| CVE-2026-0919 | Unauthenticated Denial of Service via Oversized URL in HTTP Parser on TP-Link Tapo C210, C | |
| CVE-2026-0918 | Null Pointer Dereference in Tapo SmartCam HTTP Service on TP-Link Tapo C220 & C520WS |
IV. Related Vulnerabilities
Same vendor: TP-Link Systems Inc.
- CVE-2026-5039
Predictable Default Cryptographic Key Used for DES Encryptio - CVE-2026-5363
Use of weak cryptographic key in TP-Link Archer C7 - CVE-2026-30818
OS Command Injection Vulnerability in dnsmasq Module in TP-L - CVE-2026-30817
Arbitrary File Reading Vulnerability in dnsmasq Module in TP - CVE-2026-30816
Arbitrary File Reading Vulnerability in OpenVPN Module in TP
Same weakness: CWE-20
V. Comments for CVE-2026-1315
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