CVE-2026-15315 Details
Description
Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls and obtain administrative session tokens. Successful exploitation may allow an attacker to subsequently execute privileged management actions, enable unauthorized administrative access and temporary disruption of device services, resulting in a denial-of-service (DoS) condition.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes | TPLink | Release NotesProduct |
| https://www.tp-link.com/en/support/download/tapo-c200/v5/ | TPLink | ProductRelease Notes |
| https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes | TPLink | Release NotesProduct |
| https://www.tp-link.com/us/support/download/tapo-c200/v5/ | TPLink | ProductRelease Notes |
| https://www.tp-link.com/us/support/faq/5248/ | TPLink | Vendor AdvisoryPatch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-287 | Improper Authentication | TPLink |
Affected Products
| Product | Versions |
|---|---|
| tp-link tapo c120 firmware | < 1.9.3 |
CPE
Remediation
| |
| tp-link tapo c120 | All versions |
CPE
Remediation
| |
| tp-link tapo c200 firmware | < 1.4.6 |
CPE
Remediation
| |
| tp-link tapo c200 | 5.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 4, 2026 | Initial Analysis | [email protected] |
| Aug 28, 2026 | CVE Modified | TPLink |
| Aug 20, 2026 | CVE Modified | CISA-ADP |
| Aug 18, 2026 | New CVE Received | TPLink |