CVE-2026-1315: tp-link systems inc. tapo c220 v1 Improper Input Validation
Vulnerability summary
CVE-2026-1315 is a high (CVSS 7.5) Improper Input Validation vulnerability in tp-link systems inc. tapo c220 v1. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.9% of scored vulnerabilities.
Timeline
- 27-01-2026PublishedVulnerability first disclosed.
- 27-01-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.1HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
+0.07 pp
From 0.57% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tp-link2 products
- tapo_c220_firmware< 1.4.2
- tapo_c520ws_firmware< 1.2.3
Tp-link systems inc.2 products
- tapo c220 v1< 1.4.2 Build 251112
- tapo c520ws v2< 1.2.3 Build 251114
2 vendors · 4 products
References
5 links- www.tp-link.com/us/support/faq/4923/Vendor Advisory