Medium 6.2Published Apr 26, 2026

CVE-2018-25282Nmap 7.70 Denial of Service via XML Entity Expansion

Updated under an hour ago (Oct 25, 2026, 10:23 PM ET)

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Exploited in the last 30 days

Nmap 7.70 contains a denial of service vulnerability that allows local attackers to crash the application by processing malicious XML files with exponential entity expansion. Attackers can create a crafted XML file with nested entity definitions and open it through ZenMap's scan import functionality to cause the program to consume excessive system resources and crash.

CVSS: 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-674
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Apr 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ZenMap ZenMap zenmap:zenmap (from the name)	7.70	CNA record

References

https://www.exploit-db.com/exploits/45357exploit
https://nmap.org/dist/nmap-7.70-setup.exeproduct
https://www.vulncheck.com/advisories/nmap-denial-of-service-via-xml-entity-expansionthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.