CVE-2018-7356

MEDIUMNVD 5.6

5.6

All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which can generate easily predictable ISN, and allows remote attackers to spoof connections.

CVSS v3: 5.6
EG Score: —
EPSS: 40.3%
KEV: Not listed

Published

November 1, 2018

Last Modified

November 21, 2024

References (2)

psirt@ztehttp://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1009783
af854a3a-2127-422b-91ae-364da2661108http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1009783

Weakness Classification(1)

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

CWE-294Authentication Bypass by Capture-replay

Data Freshness Timeline

(refreshed 6× in last 7d / 6× 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.

2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 00:13 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-7356?

CVE-2018-7356 is a medium vulnerability published on November 1, 2018. All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which can generate easily predictable ISN, and allows remote attackers to spoof connections.

When was CVE-2018-7356 disclosed?

CVE-2018-7356 was first published in the National Vulnerability Database on November 1, 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-2018-7356 actively exploited?

CVE-2018-7356 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-7356?

CVE-2018-7356 has a CVSS v3 base score of 5.6 (NVD).

How do I remediate CVE-2018-7356?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-7356, 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-2018-7356

📅 Published

🔄 Last Modified

🔗 References (2)