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Vulnerabilities

Vulnerability · CVE-2025-14299

The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer overflow.

Published Dec 20, 2025 · catalog updated Dec 22, 2025 · TP-Link Systems Inc. Tapo C200 V3

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-14299. EPSS is 0.24%. Act only if a listed version of TP-Link Systems Inc. Tapo C200 V3 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Version ranges on file
Affected products
vendor TP-Link Systems Inc. Tapo C200 V3 0 <C200(US)_V3_1.4.5 Build 251104

The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer overflow. An unauthenticated attacker on the same local network segment can send crafted HTTPS requests to trigger excessive memory allocation, causing the device to crash and resulting in denial-of-service (DoS).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor TP-Link Systems Inc. Tapo C200 V3 0 <C200(US)_V3_1.4.5 Build 2511040 <C200(US)_V3_1.4.5 Build 251104

How to fix CVE-2025-14299

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-14299. EPSS is 0.24%. Act only if a listed version of TP-Link Systems Inc. Tapo C200 V3 is installed.

Which versions are affected?

Compare what you have installed with TP-Link Systems Inc. Tapo C200 V3 0 <C200(US)_V3_1.4.5 Build 251104 0 <C200(US)_V3_1.4.5 Build 251104. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 20, 2025 · EUVD

    Detected

    The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer overflow. An unauthenticated attacker on the same local network segment can send crafted HTTPS requests to trigger excessive memory allocation, causing the device to crash and resulting in denial-of-service (DoS).

  2. Dec 22, 2025 · EUVD

    Updated

    The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer overflow. An unauthenticated attacker on the same local network segment can send crafted HTTPS requests to trigger excessive memory allocation, causing the device to crash and resulting in denial-of-service (DoS).

Sources

  • CVE.orgVulnerability recordCVE-2025-14299

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-14299

    30-day exploitation probability 0.24%

    first.org
  • EUVDVulnerability recordEUVD-2025-204620

    The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer overflow. An unauthenticated attacker on the same local network segment can send crafted HTTPS requests to trigger excessive memory allocation, causing the device t

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026