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CVE-2025-62817 Samsung CVE debrief

A NULL pointer dereference vulnerability was discovered in various Samsung Mobile Processor Exynos chips, including 1280, 2200, 1380, 1480, 2400, 1580, and 2500, which could lead to a denial of service. The issue is caused by a NULL pointer dereference of session->ncp_hdr_buf in __pilot_parsing_ncp(). This vulnerability may allow attackers to cause a denial of service, potentially impacting the availability of affected systems. Defenders responsible for securing devices or systems that utilize affected Exynos chips should assess their exposure and prioritize patching or mitigation efforts. The CVE record and NVD entry provide details on the vulnerability, but do not specify all of

Vendor
Samsung
Product
Exynos Mobile Processor
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-03
Original CVE updated
2026-09-21
Advisory published
2026-03-03
Advisory updated
2026-09-21

Who should care

Defenders responsible for securing devices or systems that utilize affected Exynos chips should assess their exposure and prioritize patching or mitigation efforts.

Why it matters

CVE-2025-62817 is a NULL pointer dereference vulnerability in Samsung Mobile Processor Exynos chips that could lead to denial of service attacks. Defenders should prioritize verifying the vulnerability status of affected chips and applying patches or mitigations provided by Samsung.

  • Denial of service attacks may be possible due to the NULL pointer dereference vulnerability
  • Verification of affected versions and patching status is necessary to prevent potential exploitation
  • Defenders should monitor for potential attacks targeting this vulnerability

Technical summary

The vulnerability is caused by a NULL pointer dereference of session->ncp_hdr_buf in __pilot_parsing_ncp(), which could lead to a denial of service. The affected Exynos chips include 1280, 2200, 1380, 1480, 2400, 1580, and 2500. This issue may allow attackers to cause a denial of service, potentially impacting the availability of affected systems. Defenders should prioritize verifying the vulnerability status of affected Exynos chips and applying patches or mitigations provided by Samsung to prevent potential exploitation.

Defensive priority

Defenders should prioritize verifying the vulnerability status of affected Exynos chips and applying patches or mitigations provided by Samsung.

Recommended defensive actions

  • Verify the vulnerability status of affected Exynos chips
  • Apply patches or mitigations provided by Samsung
  • Monitor for potential denial of service attacks

Evidence notes

The vulnerability was discovered in Exynos 1280, 2200, 1380, 1480, 2400, 1580, and 2500 chips. The CVE record and NVD entry provide details on the vulnerability, but do not specify affected versions or exploitation details.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-62817 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-62817

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

  • CVE-2025-62817 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-62817

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

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://semiconductor.samsung.com/support/quality-support/product-security-updates/

    [email protected] - Vendor Advisory

  • Source reference

    Unverified legacy reference

    URL: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-62817/

    [email protected] - Vendor Advisory

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.