Is CVE-2025-66315 actively exploited?

CVE-2025-66315 has no public evidence of in-the-wild exploitation as of 2026-03-12.

What is the CVSS score for CVE-2025-66315?

CVE-2025-66315 has a CVSS score of 4.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2025-66315?

Patch guidance is available from zte security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-66315.

CVE-2025-66315 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-66315?

2 products: zte mf258k pro firmware, zte mf258k pro firmware.

Description

There is a configuration defect vulnerability in the version server of ZTE MF258K Pro products. Due to improper directory permission settings, an attacker can execute write permissions in a specific directory.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-269 · Improper Privilege Management CWE-863 · Incorrect Authorization

Metadata

Primary Vendor: ZTE
Published: 1/9/2026
Last Modified: 3/12/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-66315

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary