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TI-2026-85309 Aliases CVE-2026-48174GHSA-698c-c552-hvcw

Samsung Exynos NR RRC crash on messages before authentication

Priority LOW 22CWE-476Published · Updated

Key facts

Attack vector
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Privileges required
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User interaction
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Attack complexity
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Impact type
Denial of service
Confidentiality · integrity · availability
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Fix status
Fixed

No CVSS vector from any source. Fix status from CNA. Impact type from CWE-476.

Summary

Samsung Semiconductor Exynos 1280, Exynos 2200, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 2400, Exynos W1000, Exynos Modem 5300 and Exynos Modem 5400 are affected before September 2026. In the NR RRC component, improper handling of messages before authentication causes a NULL pointer dereference (CWE-476). This triggers a data abort that leads to a denial of service condition.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

In the NR RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

Why it matters now

EPSS 0.0017 6th percentileScored 2026-11-07
Fix Fixed Exynos 1280 (Samsung Semiconductor): September 2026Exynos 2200 (Samsung Semiconductor): September 2026+7 more products

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Samsung SemiconductorExynos 1280before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos 2200before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos 1330before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos 1380before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos 1480before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos 2400before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos W1000before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5300before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5400before September 2026September 2026Patch availableCNA
  • Exynos 1280 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos 2200 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos 1330 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos 1380 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos 1480 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos 2400 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos W1000 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos Modem 5300 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos Modem 5400 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA

Remediation

Apply the fix in September 2026 for Samsung Semiconductor Exynos 1280, Exynos 2200, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 2400, Exynos W1000, Exynos Modem 5300 and Exynos Modem 5400. The sources list no vendor advisory identifier for this fix.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

  • Fix · CNA Exynos 1280 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos 2200 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos 1330 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos 1380 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos 1480 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos 2400 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos W1000 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos Modem 5300 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos Modem 5400 (Samsung Semiconductor) Fixed in September 2026

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Samsung Semiconductor Exynos Modem 5300, Exynos Modem 5400 September 2026

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-85310 Out-of-bounds read in Samsung Exynos RRC message handlingPriority LOW 24
    • TI-2026-85313 Improper SDP payload handling in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85311 Memory corruption from improper message validation in Samsung ExynosPriority LOW 22
    Show all 5 records →
  • Release ·

    Samsung Semiconductor Exynos 1280, Exynos 1330 and 3 more products September 2026

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-85310 Out-of-bounds read in Samsung Exynos RRC message handlingPriority LOW 24
    • TI-2026-85308 Memory corruption in Samsung Exynos NAS message handlingPriority LOW 22
    Show all 3 records →
Show 1 more group
  • Release ·

    Samsung Semiconductor Exynos 2200, Exynos W1000 September 2026

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-85308 Memory corruption in Samsung Exynos NAS message handlingPriority LOW 22
    Show all 2 records →

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-48174
  2. 2026-11-05 Alias added: GHSA-698c-c552-hvcw

References

Other 1

  • TI-2026-85310 Out-of-bounds read in Samsung Exynos RRC message handling CVSS 3.1MEDIUM 5.5
  • TI-2026-85330 Insufficient length validation in Samsung Exynos Modem GNSS loader CVSS —
  • TI-2026-85329 Samsung Exynos GPU driver memory corruption from improper VMID validation CVSS —
  • TI-2026-85328 Out-of-bounds memory access in Samsung Exynos device driver CVSS —
  • TI-2026-85327 Reference count flaw in Samsung GPU driver corrupts memory CVSS —
  • TI-2026-85326 Improper synchronization in Samsung Exynos GPU driver corrupts memory CVSS —
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences