CVE•Published 2026-06-05•Modified 2026-06-08•0 articles on news•6 live references•NVD data

CVE-2026-25657Ericsson · Packet_core_gateway

Vulnerability data via NVD (ingested)

CVSS v3.1

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS percentile

Exploit Prediction Scoring System · top 96% of all CVEs

Weaknesses (CWE)

CWE-228Improper Handling of Syntactically Invalid Structure

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.

Timeline

Published 2026-06-05

Modified 2026-06-08

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-25657

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Ericsson Packet Core Gateway"

All exposed Ericsson Packet Core Gateway instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Packet Core Gateway"

HTTP body or banner mentions "Packet Core Gateway" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-25657