PatchTheCVECVE-2026-0918: The Tapo C100 v5, C220 v1 and C520WS v2 cameras’ HTTP service does not safely handle POST requests containing
CVE-2026-0918 is a high-severity flaw (CVSS 7.5) affecting tapo c220 firmware, tapo c520ws firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Tapo C100 v5, C220 v1 and C520WS v2 cameras’ HTTP service does not safely handle POST requests containing an excessively large Content-Length header. The resulting failed memory allocation triggers a NULL pointer dereference, causing the main service process to crash. An unauthenticated attacker can repeatedly crash the service, causing temporary denial of service. The device restarts automatically, and repeated requests can keep it unavailab
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 46%) |
| CISA exploited list | No |
| Weakness | CWE-476 |
| Published | 2026-01-27 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-0918?
tapo c220 firmware: upgrade to 1.4.2; tapo c520ws firmware: upgrade to 1.2.3. Exact commands for each OS are on this page.
Is CVE-2026-0918 being exploited?
CVE-2026-0918 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-0918 affect?
CVE-2026-0918 affects tapo c220 firmware, tapo c520ws firmware. Severity is high (CVSS 7.5). The Tapo C100 v5, C220 v1 and C520WS v2 cameras’ HTTP service does not safely handle POST requests containing an excessively large Content-Length header. The resulting failed memory allocation triggers a NULL pointer dereference, causing th
How urgent is CVE-2026-0918?
Priority 45/100. High severity; Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2026-1315 HIGH 7.5 UPGRADE UPGRADE By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates
- CVE-2026-0919 HIGH 7.5 UPGRADE UPGRADE The HTTP parser of Tapo C210 v3, C220 v1 and C520WS v2 cameras improperly handles requests containing an exces