How severe is CVE-2026-1315?

CVE-2026-1315 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-1315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1315?

CVE-2026-1315 primarily affects Tp-link Tapo C220 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-1315?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-1315 have an EU (EUVD) identifier?

Yes. CVE-2026-1315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4790.

When was CVE-2026-1315 published?

CVE-2026-1315 was published on 2026-01-27 and last updated on 2026-06-17.

CVE-2026-1315

CVE-2026-1315 is a high-severity vulnerability in Tp-link Tapo C220 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 7.1
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4790
Weakness: CWE-20
Affected product: Tp-link Tapo C220 Firmware
Published: 2026-01-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-1315?: 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.
How severe is CVE-2026-1315?: CVE-2026-1315 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-1315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1315?: CVE-2026-1315 primarily affects Tp-link Tapo C220 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-1315?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-1315 have an EU (EUVD) identifier?: Yes. CVE-2026-1315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4790.
When was CVE-2026-1315 published?: CVE-2026-1315 was published on 2026-01-27 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:tp-link:tapo_c220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tapo_c520ws_firmware:*:*:*:*:*:*:*:*

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