CVE-2018-25427 - CVE House
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Status published Critical CVE-2018-25427

Arm Whois 3.11 Buffer Overflow via SEH Overwrite

Vulnerability Description

Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Yair Rodríguez Aparicio (0-day DoS exploit), Semen Alexandrovich Lyhin (1-day fully working exploit)

Affected Vendor

Affected Software

Arm Whois
Vulnerable Versions:
3.11

Timeline

Official Publish: June 1st, 2026
Last Modified: June 2nd, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)