CVE-2026-6241
Authenticated Format String Vulnerability in ONVIF AddScopes Method on TP-Link Tapo C520WS
- State
- Published
- Severity
- 6.8 Medium
- Published
- Jun 5, 2026
- Updated
- Jun 8, 2026
- Reserved
- Apr 13, 2026
Description
An authenticated format string vulnerability is present in the ONVIF AddScopes in Tapo C520WS v2, where user-controlled input is improperly passed to formatting functions without adequate sanitization. An attacker can inject format specifiers into ONVIF scope parameters to manipulate memory handling behavior.
Successful exploitation may cause the ONVIF management service to crash, resulting in DoS condition that impacts normal device operation.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | TPLink |
Weaknesses
- CWE-134 Use of Externally-Controlled format string
Affected Products
| Product | Versions |
|---|---|
Tapo C520WS v2TP-Link Systems Inc. |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.