Vulnerability in Ericsson Packet Core Gateway (CVE-2026-25658)
Summary
Vulnerability in Ericsson Packet Core Gateway (CVE-2026-25658). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-25658 has been found in Ericsson Packet Core Gateway.
Risk of unauthorized operations or information disclosure. CVSS score: 6.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Ericsson Packet Core Gateway CVE-2026-25658" on the vendor's site.
CVE-2026-25658 (Ericsson Packet Core Gateway) — CWE-230 / CVSS v3 6.5
Attack vector: adjacent-network / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-230) exists in Ericsson Packet Core Gateway.
Check the vendor advisory for the affected versions of Ericsson Packet Core Gateway.
Severity: Medium (CVSS 6.5/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Ericsson Packet Core Gateway を使っているサービスとバージョンを洗い出す。
-
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- patch ericsson.com
- web nvd.nist.gov
- web github.com