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PatchSiren cyber security CVE debrief

CVE-2014-8361 Realtek CVE debrief

CVE-2014-8361 is a Realtek SDK improper input validation vulnerability that CISA has placed in its Known Exploited Vulnerabilities catalog. The supplied record does not include a CVSS score or detailed affected-version information, so defenders should rely on the official notices and vendor guidance. Because CISA treats this issue as actively exploited, the practical priority is to verify exposure, apply any vendor mitigations, and replace or discontinue use if no remediation is available.

Vendor
Realtek
Product
SDK
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-09-18
Original CVE updated
2023-09-18
Advisory published
2023-09-18
Advisory updated
2023-09-18

Who should care

Organizations that use Realtek SDK directly or indirectly in products, appliances, or embedded systems should treat this as a priority issue. Security and asset-management teams should especially focus on internet-facing deployments and any device or application that cannot be rapidly patched.

Technical summary

The official record identifies the issue as an improper input validation vulnerability in Realtek SDK. CISA’s KEV entry does not provide exploit details in the supplied corpus, but it does direct defenders to apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. The supplied sources do not include a severity score, affected versions, or exploitation mechanics.

Defensive priority

High

Recommended defensive actions

  • Inventory products and services that include Realtek SDK, including embedded and third-party vendor systems.
  • Check the vendor advisory and any downstream product advisories for specific mitigations or fixed releases.
  • Apply vendor-recommended mitigations as soon as possible; if no mitigations exist, discontinue or isolate the affected product.
  • Prioritize internet-facing systems and externally reachable devices that use the SDK.
  • Monitor for vendor updates, replacement guidance, and compensating controls from downstream device makers.

Evidence notes

This debrief is based only on the supplied official sources: the CVE record, NVD detail page, and CISA’s Known Exploited Vulnerabilities catalog entry. CISA lists the vulnerability as known exploited and gives a mitigation directive to apply vendor instructions or discontinue use if mitigations are unavailable. The supplied timeline places the CVE publication and KEV add date on 2023-09-18, with a due date of 2023-10-09. No CVSS score or detailed affected-version data was supplied, so none is asserted here.

Sources and references

Verified primary and authoritative sources

  • CVE-2014-8361 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2014-8361

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

  • CVE-2014-8361 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2014-8361

    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.