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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-34122

Stack-based Buffer Overflow Leading to Denial of Service in TP-Link Tapo C520WS

Description

A stack-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within a configuration handling component due to insufficient input validation. An attacker can exploit this vulnerability by supplying an excessively long value for a vulnerable configuration parameter, resulting in a stack overflow. Successful exploitation results in Denial-of-Service (DoS) condition, leading to a service crash or device reboot, impacting availability.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

TP-Link Systems Inc. Tapo C520WS v2.6

Default version status: unaffected

  • 0 to < 1.2.4 Build 260326 Rel.24666naffected

References