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TI-2025-44015 Aliases CVE-2025-66365GHSA-wjm7-hjc4-mw4m

Incorrect SIP packet handling leads to baseband crashes in Samsung Exynos chips

Priority LOW 22CWE-754Published · 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
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Confidentiality · integrity · availability
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Fix status
Fixed

No CVSS vector from any source. Fix status from CNA.

Summary

Samsung Semiconductor's Exynos 1080, Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 and Exynos Modem 5400 mishandle SIP packets, which leads to baseband crashes. The flaw is classified as CWE-754, Improper Check for Unusual or Exceptional Conditions. Versions before October 2026 are affected. CISA has not added it to KEV, and the references contain no exploit link.

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

Description from the CNA

Incorrect handling of SIP packets leads to baseband crashes

Why it matters now

EPSS 0.0015 4th percentileScored 2026-11-07
Fix Fixed Exynos 1080 (Samsung Semiconductor): October 2026Exynos 9110 (Samsung Semiconductor): October 2026+3 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Samsung SemiconductorExynos 1080before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 9110before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5123before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5300before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5400before October 2026October 2026Patch availableCNA
  • Exynos 1080 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 9110 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos Modem 5123 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos Modem 5300 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos Modem 5400 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA

Remediation

Apply the fix released in October 2026 for each affected Exynos chipset and modem.

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

  • Fix · CNA Exynos 1080 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 9110 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos Modem 5123 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos Modem 5300 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos Modem 5400 (Samsung Semiconductor) Fixed in October 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 5123 October 2026

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85306 Memory corruption in Samsung Exynos baseband causes denial of servicePriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    Show all 9 records →
  • Release ·

    Samsung Semiconductor Exynos Modem 5300 October 2026

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85306 Memory corruption in Samsung Exynos baseband causes denial of servicePriority LOW 22
    Show all 9 records →
Show 3 more groups
  • Release ·

    Samsung Semiconductor Exynos Modem 5400 October 2026

    8 records Highest priority Priority LOW 8 LOW

    Other records, highest priority first

    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    Show all 8 records →
  • Release ·

    Samsung Semiconductor Exynos 1080 October 2026

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85302 Improper certificate validation in Samsung Exynos IMS handlingPriority LOW 22
    Show all 7 records →
  • Release ·

    Samsung Semiconductor Exynos 9110 October 2026

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85303 Infinite loop in Samsung Exynos NAS decoding causes denial of servicePriority LOW 22
    Show all 7 records →

Timeline

  1. 2026-11-05 Threatist record created from CVE-2025-66365
  2. 2026-11-05 Alias added: GHSA-wjm7-hjc4-mw4m

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