Review reviewHigh

CVE-2024-40495

e2500_firmware, e2500 firmware

A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.

CVSS
8
EPSS
0.76%
51.5% percentile
CISA KEV
Not listed
Published
2024.07.25
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.76%
Technical severityCVSS 8

Vulnerability overview

A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.

Affected product and versions

Product
e2500_firmware, e2500 firmware
Affected versions
2.0.00
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that e2500_firmware, e2500 firmware and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-94