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PatchSiren cyber security CVE debrief

CVE-2025-8876 N-able CVE debrief

CVE-2025-8876 is a command injection vulnerability affecting N-able N-Central and has been added to CISA's Known Exploited Vulnerabilities catalog. That makes it a priority issue for defenders because CISA treats it as actively exploited. The supplied source corpus does not include a CVSS score or deeper exploit conditions, so response should be driven by the KEV listing and vendor guidance.

Vendor
N-able
Product
N-Central
CVSS
CRITICAL 9.4
CISA KEV
Listed
Original CVE published
2025-08-13
Original CVE updated
2025-08-13
Advisory published
2025-08-13
Advisory updated
2025-08-13

Who should care

N-able N-Central administrators, MSPs, patch-management teams, and security responders responsible for monitoring and mitigating this product across their environments.

Technical summary

Command injection flaws can allow an attacker to cause an application to execute unintended system commands if they can influence the vulnerable input or workflow. For CVE-2025-8876, the authoritative data provided here identifies the affected product as N-able N-Central and confirms CISA has placed the issue in the KEV catalog.

Defensive priority

Urgent

Recommended defensive actions

  • Apply the vendor mitigations or updates referenced by CISA as soon as possible.
  • Follow CISA BOD 22-01 guidance if the affected deployment is a cloud service.
  • If mitigations are unavailable, plan to discontinue use of the product per CISA guidance.
  • Inventory all N-able N-Central instances and verify remediation before the KEV due date.
  • Monitor the official CISA KEV and NVD entries for any additional remediation details or status updates.

Evidence notes

The supplied corpus shows CVE-2025-8876 published and modified on 2025-08-13. CISA added it to the Known Exploited Vulnerabilities catalog on 2025-08-13 with a due date of 2025-08-20 and describes it as an N-able N-Central command injection vulnerability. CISA's notes direct defenders to apply vendor instructions, follow BOD 22-01 for cloud services, or discontinue use if mitigations are unavailable. No CVSS score was provided in the supplied data.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-8876 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-8876

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-8876 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-8876

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.