What’s Vulnerable › Vulnerabilities

CVE-2018-25423: Arm Whois 3.11 Denial of Service via Buffer Overflow

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-30 · updated 2026-07-22
• Weakness: CWE-120

Description

Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service condition.

Affected products

• Armcode Arm Whois: 3.11

References

• http://www.armcode.com/
• http://www.armcode.com/downloads/arm-whois.exe
• https://www.exploit-db.com/exploits/45762
• https://www.vulncheck.com/advisories/arm-whois-denial-of-service-via-buffer-overflow

Get alerted when CVE-2018-25423 or the next vulnerability affects your stack