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VulnerabilityPublished Updated

CVE-2024-36821: Directory with Insecure Permissions · Creation of Temporary File

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.9% chance of exploitation in 30 days – higher than 86% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Jun 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2024-36821, organizations and users should immediately restrict or disable guest network access on affected Linksys Velop WiFi 5 devices to limit exposure. Network segmentation should be enforced to isolate guest traffic from critical internal resources. Monitoring network traffic for unusual activity or unauthorized access attempts can help detect exploitation attempts early. Users should regularly check for firmware updates from Linksys and apply them promptly once a patch addressing this vulnerability is released. If possible, consider replacing affected devices with models not impacted by this vulnerability until a fix is available. Employing network intrusion detection systems (NIDS) and endpoint security solutions can provide additional layers of defense. Educating users about the risks of connecting to guest networks and maintaining strong administrative credentials will further reduce exploitation chances.

Description

Insecure permissions in Linksys Velop WiFi 5 (WHW01v1) 1.1.13.202617 allows attackers to escalate privileges from Guest to root.

References

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