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TI-2026-07657 Aliases CVE-2026-8714GHSA-78fp-rfh4-99fh

Denial-of-Service Vulnerability in RTSP Input Handling on TP-Link's Tapo C520WS

Priority LOW 31CWE-20Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A denial-of-service vulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of syntactically invalid input.  Crafted inputs can trigger a processing error, causing the RTSP service to enter non-responsive state. Successful exploitation may cause the RTSP in a denial-of-service condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00206 10th percentileScored 2026-11-07
Fix Fixed Tapo C520WS v2 (TP-Link Systems Inc.): 1.2.6 Build 260528 Rel.60422n

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTapo C520WS v2before 1.2.6 Build 260528 Rel.60422n1.2.6 Build 260528 Rel.60422nPatch availableCNA
  • Tapo C520WS v2 VendorTP-Link Affected before 1.2.6 Build 260528 Rel.60422n Fixed in 1.2.6 Build 260528 Rel.60422n Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:tapo_c520ws_firmware:*:*:*:*:*:*:*:*before 1.2.6VulnerableTP-Link
cpe:2.3:h:tp-link:tapo_c520ws:2.0:*:*:*:*:*:*:*2.0Running onTP-Link
  • cpe:2.3:o:tp-link:tapo_c520ws_firmware:*:*:*:*:*:*:*:* Versions before 1.2.6 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tapo_c520ws:2.0:*:*:*:*:*:*:* Versions 2.0 Running on ·TP-Link

Remediation

  • Fix · CNA Tapo C520WS v2 (TP-Link Systems Inc.) Fixed in 1.2.6 Build 260528 Rel.60422n

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8714
  2. 2026-10-03 Alias added: GHSA-78fp-rfh4-99fh

References

Patch 2

Advisory 1

  • TI-2026-26443 Authentication Bypass in DS Configuration Service via HTTP Request Parsing Differential of TP-Link Tapo C520WS and C210 CVSS 4.0HIGH 8.7
  • TI-2026-26440 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in multiple TP-Link Tapo Cameras CVSS 4.0HIGH 7.1
  • TI-2026-01028 Unauthenticated Denial of Service via Firmware Update Endpoint on TP-Link Tapo C220 & C520WS CVSS 4.0HIGH 7.1
  • TI-2026-00695 Unauthenticated Denial of Service via Oversized URL in HTTP Parser on TP-Link Tapo C210, C220 & C520WS CVSS 4.0HIGH 7.1
  • TI-2026-00694 Null Pointer Dereference in Tapo SmartCam HTTP Service on TP-Link Tapo C220 & C520WS CVSS 4.0HIGH 7.1
  • TI-2026-26446 Denial of Service via Path Expansion Overflow in HTTP Service in TP-Link Tapo C520WS CVSS 4.0HIGH 7.1
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences