CVE-2018-25427

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.

CVSS v4.0

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.92% chance of exploitation in the next 30 days, 58th percentile

Published

2026-06-01

Updated

2026-06-02

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45796

References

• CVE Record
• NVD entry

Related

• CVE-2018-25426
• CVE-2018-25428
• CVE-2018-25425
• CVE-2018-25429
• CVE-2018-25424
• CVE-2018-25430