How severe is CVE-2021-4045?

CVE-2021-4045 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-4045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4045?

CVE-2021-4045 affects Tp-link Tapo C200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4045?

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

When was CVE-2021-4045 published?

CVE-2021-4045 was published on 2022-03-10 and last updated on 2026-06-17.

CVE-2021-4045

CVE-2021-4045 is a critical-severity vulnerability in Tp-link Tapo C200 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Tp-link Tapo C200 Firmware
Published: 2022-03-10
Last modified: 2026-06-17

Description

TP-Link Tapo C200 IP camera, on its 1.1.15 firmware version and below, is affected by an unauthenticated RCE vulnerability, present in the uhttpd binary running by default as root. The exploitation of this vulnerability allows an attacker to take full control of the camera.

Frequently asked questions

What is CVE-2021-4045?: TP-Link Tapo C200 IP camera, on its 1.1.15 firmware version and below, is affected by an unauthenticated RCE vulnerability, present in the uhttpd binary running by default as root. The exploitation of this vulnerability allows an attacker to take full control of the camera.
How severe is CVE-2021-4045?: CVE-2021-4045 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-4045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4045?: CVE-2021-4045 affects Tp-link Tapo C200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-4045 published?: CVE-2021-4045 was published on 2022-03-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:tapo_c200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Tapo C200 Firmware

CVE-2025-14300 — High (CVSS 8.1): The HTTPS service on Tapo C200 V3 exposes a connectAP interface without proper authentication. An unauthenticated…
CVE-2026-12760 — Medium (CVSS 6.5): A denial-of-service (DoS) vulnerability has been identified in Tapo C200 v3 in the network packet handling logic due to…
CVE-2026-1871 — Medium (CVSS 6.5): TP-Link Tapo C200 v5 contains a stack-based buffer overflow flaw in RTSP authentication handling due to improper…
CVE-2025-8065 — Medium (CVSS 6.5): A stack-based buffer overflow vulnerability was identified in the ONVIF SOAP XML Parser in Tapo C200 v3 and C520WS…
CVE-2025-14299 — Medium (CVSS 6.5): The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer…
CVE-2020-11445 — Medium (CVSS 5.3): TP-Link cloud cameras through 2020-02-09 allow remote attackers to bypass authentication and obtain sensitive…

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