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CVE-2026-1315: By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates

44
This month
HIGH 7.5REMOTEUPGRADEUPGRADE

CVE-2026-1315 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.

By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core system services before verifying authentication or firmware integrity. An unauthenticated attacker can trigger a persistent denial of service, requiring a manual reboot or application initiated restart to restore normal device operation.

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 50%)
CISA exploited listNo
WeaknessCWE-20
Published2026-01-27
Last modified2026-06-17
Publisher (CNA): TPLink · Vendor: tp-link

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

tp-link tapo c220 firmware UPGRADE
Affected: < 1.4.2
Fixed in: 1.4.2
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
tp-link tapo c520ws firmware UPGRADE
Affected: < 1.2.3
Fixed in: 1.2.3
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-1315?

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-2026-1315 being exploited?

CVE-2026-1315 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-2026-1315 affect?

CVE-2026-1315 affects tapo c220 firmware, tapo c520ws firmware. Severity is high (CVSS 7.5). By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core system services before verifying authentication or firmware integrity. An unauthenticated attacker can trigger a persistent d

How urgent is CVE-2026-1315?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

TP-Link vulnerabilities

Related CVEs

References

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