How severe is CVE-2021-4045?

CVE-2021-4045 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2021-4045?

Affected package information for CVE-2021-4045 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2021-4045?

No fixed version has been published for CVE-2021-4045 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2021-4045 actively exploited in the wild?

Yes. There are 11 known exploit references for CVE-2021-4045, including 1 documented proof-of-concept exploit on Exploit-DB and 8 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2021-4045?

CVE-2021-4045 has an EPSS (Exploit Prediction Scoring System) score of 91.0%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2021-4045?

CVE-2021-4045 is classified as CWE-77 (CWE-77). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2021-4045?

CVE-2021-4045 affects tp-link tapo c200 firmware. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2021-4045 published, and has it been updated?

CVE-2021-4045 was published on March 10, 2022 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2021-4045

CRITICAL

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.…

Published

Mar 10, 2022

Updated

Nov 21, 2024

Affected

0 pkgs

Patched

None yet

Exploits

11 known

EPSS Exploitation Probability

via FIRST.org ↗

91.0%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Affected Products

1 product · 1 configurations

tapo c200 firmwaretp-link

≤ 1.1.15

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-51017webappshardware

TP-Link Tapo c200 1.1.15 - Remote Code Execution (RCE)

by hacefresko · Sep 23, 2022

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2021-4045 in your stack?

O3 detects CVE-2021-4045 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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