Buffer Overflow Vulnerability in Arm Whois Product by Arm
CVE-2018-25423

6.9MEDIUM

Key Information:

Vendor

Armcode

Status
Arm Whois
Vendor
CVE Published:
30 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25423?

Arm Whois 3.11 is susceptible to a buffer overflow vulnerability that can be exploited by local attackers. By providing excessively large input strings, typically around 700 bytes, an attacker can trigger a denial of service condition that crashes the application. This flaw critically undermines the operational integrity of Arm Whois, compromising its reliability and functionality for users.

Affected Version(s)

Arm Whois 3.11

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-25423 - Proof of Concept

References

https://www.exploit-db.com/exploits/45762
exploit
http://www.armcode.com/
product
http://www.armcode.com/downloads/arm-whois.exe
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yair Rodríguez Aparicio
.