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CVE-2026-9770

5.3 · MEDIUM

Kasa EC71 v4 and EC70 v4 firmware contains a static cryptographic private key stored in a read-only filesystem that is shared across devices.

Published Jul 15, 2026CWE-321EPSS 0.31%

Overview

CVE-2026-9770 is a medium-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Kasa EC71 v4 and EC70 v4 firmware contains a static cryptographic private key stored in a read-only filesystem

that is shared across devices.  An

attacker with access to the firmware image can extract the embedded key. 

Successful

exploitation may allow an unauthenticated attacker on the same network to use

this key in the web management service, compromising the confidentiality of

encrypted communications. This may enable passive decryption of traffic or

active man-in-the-middle (MITM) attacks

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.tp-link.com/en/support/download/ec70/v4/#Firmware-Release-NotesRefwww.tp-link.com/en/support/download/ec71/v4/#Firmware-Release-NotesRefwww.tp-link.com/us/support/download/ec70/v4/#Firmware-Release-NotesRefwww.tp-link.com/us/support/download/ec71/v4/#Firmware-Release-NotesRefwww.tp-link.com/us/support/faq/5192/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-9770?

CVE-2026-9770 is a medium-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-9770?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-9770?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-9770?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-9770 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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