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TI-2026-20757 Aliases CVE-2026-25658GHSA-5p28-qfxx-wqm8

Ericsson Packet Core Gateway (PCG) - Improper handling of missing values Vulnerability

Priority LOW 30CWE-230Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Ericsson Packet Core Gateway (PCG) versions prior to 1.30 contain an Improper Handling of Missing Values (CWE-230) vulnerability where an attacker continuously sending a specially crafted message can cause service degradation. The impact continues as long the attack persists but the system recovers from the crashes when the attack stops.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00165 5th percentileScored 2026-11-07
Fix Fixed Packet Core Gateway (PCG) (Ericsson): 1.30

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EricssonPacket Core Gateway (PCG)before 1.301.30Patch availableCNA
  • Packet Core Gateway (PCG) VendorEricsson Affected before 1.30 Fixed in 1.30 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ericsson:packet_core_gateway:*:*:*:*:*:*:*:*before 1.30VulnerableEricsson
  • cpe:2.3:a:ericsson:packet_core_gateway:*:*:*:*:*:*:*:* Versions before 1.30 Vulnerable ·Ericsson

Remediation

  • Fix · CNA Packet Core Gateway (PCG) (Ericsson) Fixed in 1.30

Fixed in the same release

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

  • Release ·

    Ericsson Packet Core Gateway (PCG) 1.30

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-20758 Ericsson Packet Core Gateway (PCG) - Improper handling of missing values VulnerabilityPriority LOW 30
    • TI-2026-20756 Ericsson Packet Core Gateway (PCG) - Improper Handling of Syntactically Invalid Structure VulnerabilityPriority LOW 30

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25658
  2. 2026-10-03 Alias added: GHSA-5p28-qfxx-wqm8

References

  • TI-2026-20758 Ericsson Packet Core Gateway (PCG) - Improper handling of missing values Vulnerability CVSS 4.0HIGH 7.1
  • TI-2026-20756 Ericsson Packet Core Gateway (PCG) - Improper Handling of Syntactically Invalid Structure Vulnerability CVSS 4.0HIGH 7.1

Sources