CVE-2018-9248

CRITICALNVD 9.89.8—Elevated

9.8

FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass via a "Cookie: Name=0admin" header.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 98.7%
KEV: Not listed

Published

April 4, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://gist.github.com/pak0s/cd7ac9c2ee659138816f92693d2df602
cve@mitrehttps://www.exploit-db.com/exploits/44413/
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/pak0s/cd7ac9c2ee659138816f92693d2df602
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/44413/

Weakness Classification(1)

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

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 9× in last 7d / 12× 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 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 09:39 UTCEG score recompute
2026-05-28 09:39 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-44413
First seen Apr 6, 2018
FiberHome VDSL2 Modem HG 150-UB - Authentication Bypass
Open source ↗

Frequently asked(5)

What is CVE-2018-9248?

CVE-2018-9248 is a critical vulnerability published on April 4, 2018. FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass via a "Cookie: Name=0admin" header.

When was CVE-2018-9248 disclosed?

CVE-2018-9248 was first published in the National Vulnerability Database on April 4, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-9248 actively exploited?

CVE-2018-9248 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-9248?

CVE-2018-9248 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-9248?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-9248, 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-2018-9248

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-9248?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)