CVE-2026-0653 in Tapo C260 v1
Summary
by MITRE • 02/10/2026
On TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration parameters without authorization, resulting in unauthorized device state manipulation but not full code execution.
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Analysis
by VulDB Data Team • 03/14/2026
The vulnerability identified as CVE-2026-0653 affects TP-Link Tapo C260 v1 and D235 v1 security cameras, representing a critical authorization bypass flaw that undermines the device's access control mechanisms. This issue stems from insufficient validation of user privileges within the device's synchronization endpoint, which processes requests from authenticated users. The vulnerability specifically targets guest-level authenticated users who should normally possess restricted access rights, yet can exploit a design flaw to escalate their privileges and manipulate protected device settings. The flaw manifests when legitimate users send crafted requests to the synchronization endpoint, effectively circumventing intended access restrictions that should prevent unauthorized modifications to device configurations.
The technical implementation of this vulnerability resides in the device's authentication and authorization framework, where the synchronization endpoint fails to properly validate whether the requesting user possesses sufficient privileges to modify sensitive configuration parameters. This represents a classic authorization bypass vulnerability that falls under the CWE-285 category of Improper Authorization, specifically manifesting as an insufficient access control mechanism. The flaw allows attackers to manipulate device settings through crafted HTTP requests that target the synchronization endpoint, effectively enabling unauthorized configuration changes without requiring administrator-level credentials or privileges. The vulnerability does not permit full code execution or complete system compromise, but rather focuses on unauthorized modification of device state through configuration changes.
The operational impact of CVE-2026-0653 extends beyond simple configuration manipulation, as it enables attackers to potentially compromise the security posture of the affected devices and the broader network they inhabit. An attacker with guest-level access can modify critical device parameters such as network settings, authentication credentials, or surveillance configurations, which could lead to unauthorized access to video feeds, network disruption, or further compromise of the connected network infrastructure. This vulnerability particularly affects IoT security models where device access control is critical for maintaining operational integrity and preventing unauthorized access to sensitive surveillance data. The impact is amplified in environments where these devices serve as part of a larger security infrastructure, as unauthorized modifications could compromise the effectiveness of the entire surveillance system.
Mitigation strategies for CVE-2026-0653 should focus on implementing proper access control validation at the synchronization endpoint, ensuring that all requests are properly authenticated and authorized before any configuration changes are processed. Network segmentation and monitoring of traffic to the synchronization endpoint can help detect anomalous requests that may indicate exploitation attempts. Device firmware updates from TP-Link should be applied immediately to address the vulnerability, as the issue requires a code-level fix to properly validate user privileges before allowing configuration modifications. Security professionals should also consider implementing network access controls to restrict access to the synchronization endpoint and deploy intrusion detection systems that can identify crafted requests targeting this specific vulnerability. The ATT&CK framework categorizes this issue under privilege escalation techniques, specifically leveraging weaknesses in authentication mechanisms to gain unauthorized access to device configurations, making it a significant concern for organizations implementing IoT security controls.