CVE-2025-28242

CRITICALNVD 9.89.8—Elevated

9.8

Improper session management in the /login_ok.htm endpoint of DAEnetIP4 METO v1.25 allows attackers to execute a session hijacking attack.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 90.5%
KEV: Not listed

Published

April 18, 2025

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 19, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

my--cve-vulnerability-research/CVE-2025-28242 at main · shiky8/my--cve-vulnerability-research · GitHub

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-28242

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-384Session Fixation

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2025/CVE-2025-28242.yaml
First seen Jan 1, 2025
DAEnetIP4 METO v1.25 - Session Hijacking
Open source ↗

Frequently asked(5)

What is CVE-2025-28242?

CVE-2025-28242 is a critical vulnerability published on April 18, 2025. Improper session management in the /login_ok.htm endpoint of DAEnetIP4 METO v1.25 allows attackers to execute a session hijacking attack.

When was CVE-2025-28242 disclosed?

CVE-2025-28242 was first published in the National Vulnerability Database on April 18, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-28242 actively exploited?

CVE-2025-28242 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-28242?

CVE-2025-28242 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-28242?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-28242, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-28242

📅 Published

🔄 Last Modified

📋 Advisory Details (1)