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CVE-2026-12760: Denial-of-Service Vulnerability via Malformed IPv4 Fragmentation Handling in TP-Link Tapo C200

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-24 · updated 2026-10-25
• Weakness: CWE-770

Description

A denial-of-service (DoS) vulnerability has been identified in Tapo C200 v3 in the network packet handling logic due to improper handling of IPv4 fragmented packets.  An unauthenticated adjacent attacker can send crafted packets to cause excessive resource consumption, leading to instability of the device.Successful exploitation can remotely trigger a temporary denial-of-service condition, causing the camera to become unresponsive and resulting in intermittent loss of video monitoring and recording.

Affected products

• TP-Link Systems Inc. Tapo C200 v5: 1.3.3-build_230228, 1.3.4-build_230424, 1.3.5-build_230717, 1.3.7-build_230920, 1.3.9-build_231019, 1.3.11-build_231115 (+5)

References

• https://www.tp-link.com/en/support/download/tapo-c200/v3/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/download/tapo-c200/v3/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/faq/5143/

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