Description
Ericsson Packet Core Gateway (PCG) versions prior to 1.30 contain an Improper Handling of Syntactically Invalid Structure (CWE-228) 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.
Published: 2026-06-05
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 08 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Ericsson packet Core Gateway
CPEs cpe:2.3:a:ericsson:packet_core_gateway:*:*:*:*:*:*:*:*
Vendors & Products Ericsson packet Core Gateway
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Sun, 07 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Ericsson
Ericsson packet Core Gateway (pcg)
Vendors & Products Ericsson
Ericsson packet Core Gateway (pcg)

Fri, 05 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 05 Jun 2026 11:45:00 +0000

Type Values Removed Values Added
Description Ericsson Packet Core Gateway (PCG) versions prior to 1.30 contain an Improper Handling of Syntactically Invalid Structure (CWE-228) 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.
Title Ericsson Packet Core Gateway (PCG) - Improper Handling of Syntactically Invalid Structure Vulnerability
Weaknesses CWE-228
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Ericsson Packet Core Gateway Packet Core Gateway (pcg)
cve-icon MITRE

Status: PUBLISHED

Assigner: ERIC

Published:

Updated: 2026-06-05T20:11:57.051Z

Reserved: 2026-02-04T12:41:54.869Z

Link: CVE-2026-25657

cve-icon Vulnrichment

Updated: 2026-06-05T20:11:54.181Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-05T12:16:37.750

Modified: 2026-06-08T14:21:47.350

Link: CVE-2026-25657

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-07T11:17:02Z

Weaknesses