Security readout for executives and security teams
Plain-English summary
CVE-2025-8875 is a critical N-able N-central flaw that can let a low-privileged network attacker cause code execution through unsafe deserialization. It affects N-central before 2025.3.1. CISA lists it in KEV, so organizations should treat it as actively exploited and prioritize remediation.
Executive priority
Treat this as urgent. The product is affected before 2025.3.1, the severity is critical, and CISA KEV indicates real-world exploitation. Confirm inventory and upgrade status immediately.
Technical view
The CVE describes CWE-502 deserialization of untrusted data in N-able N-central before 2025.3.1, allowing local execution of code. CVSS 4.0 is 9.4 with network attack vector, low complexity, no user interaction, and low privileges required. Public metadata has limited affected-version detail beyond the pre-2025.3.1 boundary.
Likely exposure
Exposure is likely limited to organizations running N-able N-central versions before 2025.3.1, especially network-reachable deployments where an attacker could obtain or use low-privileged access.
Exploitation context
CISA KEV inclusion supports active exploitation. The provided sources do not include exploit mechanics, indicators of compromise, campaign details, or public proof-of-concept status.
Researcher notes
The strongest source signals are CVSS 9.4, CWE-502, affected versions before 2025.3.1, and KEV listing. Evidence is incomplete on exact vulnerable components, exploit prerequisites beyond low privileges, indicators, and vendor-recommended detections.
Mitigation direction
- Inventory all N-able N-central deployments and confirm their exact versions.
- Upgrade affected N-central instances to 2025.3.1 or later using N-able guidance.
- Prioritize remediation according to CISA KEV handling requirements where applicable.
- Limit N-central access to trusted networks and accounts until remediation is complete.
- Monitor N-able advisories for updated mitigation or detection guidance.
Validation and detection
- Verify each N-central instance reports version 2025.3.1 or later.
- Confirm no unsupported pre-2025.3.1 deployments remain in production or test environments.
- Review access logs for unusual low-privilege account activity around N-central.
- Check CISA KEV and N-able status pages for updated guidance.
- Document remediation status for vulnerability management tracking.
Public sources used
Michael Williams reviewed this cited source version on .
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-8875 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.4 (4.0)
- Known Exploited
- Yes
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
9.4CriticalVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- https://status.n-able.com/2025/08/13/announcing-the-ga-of-n-central-2025-3-1/CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8875CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.