CVE-2026-3824Network attack vector

User redirection via crafted URL

Published Mar 11, 2026 · Updated Mar 11, 2026

Open redirect in WellChoose IFTOP before IFTOP_P4_181 allows remote attackers to redirect users to malicious websites via crafted URLs. TWCERT/CC has not disclosed the affected endpoint or parameter, or how IFTOP processes the untrusted destination URL. Exploitation requires a user to follow the crafted link; the description calls the attacker authenticated, while the CNA CVSS assessments specify no required privileges.

CVSS severity5.1
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Open redirect in WellChoose IFTOP before IFTOP_P4_181 allows remote attackers to redirect users to malicious websites via crafted URLs. TWCERT/CC has not disclosed the affected endpoint or parameter, or how IFTOP processes the untrusted destination URL. Exploitation requires a user to follow the crafted link; the description calls the attacker authenticated, while the CNA CVSS assessments specify no required privileges.

The record

CVE
CVE-2026-3824
Published
Mar 11, 2026
Updated
Mar 11, 2026
Vendor
Paul Warren
Product
iftop
Classifications
CWE-601, T1566.002, T1204.001
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <IFTOP_P4_181

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Paul Warren · iftopversion=0 <IFTOP_P4_181

Published CVSS scores

6.1TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.1TWCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
T1566.002Phishing: Spearphishing Link
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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