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CVE-2025-8875: N-able N-Central Insecure Deserialization Vulnerability

CVE-2025-8875 is rated critical with a CVSS v4.0 base score of 9.4 and affects N-able N-Central. Per its scoring, it can be exploited over the network, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-08-13, which means exploitation in the wild has been observed.

Vulnerability description

Deserialization of Untrusted Data vulnerability in N-able N-central allows Local Execution of Code.This issue affects N-central: before 2025.3.1.

Severity breakdown

CVSS v4.0 9.4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  • Attack vector: Network. Exploitable remotely over the network.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Attack requirements: None. No deployment or execution conditions are needed.
  • Privileges required: Low. A basic user account is enough.
  • User interaction: None. No action from any user is needed.
  • Confidentiality impact (vulnerable system): High. Total loss of confidentiality.
  • Integrity impact (vulnerable system): High. Total loss of integrity.
  • Availability impact (vulnerable system): High. Total loss of availability.
  • Confidentiality impact (subsequent systems): High. Total loss of confidentiality on other systems.
  • Integrity impact (subsequent systems): High. Total loss of integrity on other systems.
  • Availability impact (subsequent systems): High. Total loss of availability of other systems.

Underlying weakness

CWE-502: Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected products

  • N Able N Central: before 2025.3.1

References