Is CVE-2023-39405 actively exploited?

No active exploitation of CVE-2023-39405 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39405 be exploited remotely?

Yes. CVE-2023-39405 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39405?

CVE-2023-39405 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-39405

CWE-20Published: August 13, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Vulnerability of out-of-bounds parameter read/write in the Wi-Fi module. Successful exploitation of this vulnerability may cause other apps to be executed with escalated privileges.

NVD Source

Risk Analysis

An out-of-bounds read/write vulnerability in the Wi-Fi module allows for privilege escalation, enabling unauthorized applications to execute with higher permissions. This critical flaw carries a CVSS score of 9.8, indicating a high potential for system-wide compromise.

No public exploits are currently known, and the vulnerability is not in the CISA KEV. It is remotely exploitable without requiring authentication or complex conditions.

Recommended Action

Apply the latest security patches for Huawei EMUI and HarmonyOS to address the Wi-Fi module vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-39405 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.