High severity · published Jan 9, 2026
CVE-2025-66315
ZTE MF258K Pro Version Server has a Configuration Defect Vulnerability
8.8
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
MF258K · ZTE
ZTE_MF258kPRO_PLAY_V1.0.0B03; ZTE_MF258PRO_STD_V1.0.0B04 · source: vendor
MP
Mf258k Pro Firmware · Zte
zte_mf258kpro_play_v1.0.0b03; zte_mf258pro_std_v1.0.0b04 · source: NVD