CVE-2018-25256: IP TOOLS 2.50 contains a local buffer overflow vulnerability in the SNMP Scanner component that allows local a

Q: How do I fix CVE-2018-25256?

ip-tools: upgrade to newer than 2.50. Exact commands for each OS are on this page.

Q: Is CVE-2018-25256 being exploited?

CVE-2018-25256 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-25256 affect?

CVE-2018-25256 affects ip-tools. Severity is medium (CVSS 5.5). IP TOOLS 2.50 contains a local buffer overflow vulnerability in the SNMP Scanner component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data into the 'From Addr' and 'To Ad

Q: How urgent is CVE-2018-25256?

Priority 27/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2018-25256 is a medium-severity flaw (CVSS 5.5) affecting ip-tools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IP TOOLS 2.50 contains a local buffer overflow vulnerability in the SNMP Scanner component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data into the 'From Addr' and 'To Addr' fields and trigger the crash by clicking the Start button, causing denial of service and SEH overwrite.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-04-05
Last modified	2026-07-24

Publisher (CNA): VulnCheck · Vendor: ks-soft

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-05 21:16 UTCPublished CVE record published
2026-07-24 22:10 UTCUpdated Record last modified

ks-soft ip-tools UPGRADE

Affected: <= 2.50

Fixed in: newer than 2.50

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ip-tools || rpm -q ip-tools || ip-tools --version

2. UPGRADE to newer than 2.50 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ip-tools

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ip-tools

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-25256?

ip-tools: upgrade to newer than 2.50. Exact commands for each OS are on this page.

Is CVE-2018-25256 being exploited?

CVE-2018-25256 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-25256 affect?

CVE-2018-25256 affects ip-tools. Severity is medium (CVSS 5.5). IP TOOLS 2.50 contains a local buffer overflow vulnerability in the SNMP Scanner component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data into the 'From Addr' and 'To Ad

How urgent is CVE-2018-25256?

Priority 27/100. Public exploit reference

References

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