Review reviewCritical

CVE-2022-25521

network video recorder firmware

CVE-2022-25521 affects network video recorder firmware. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS
9.8
EPSS
1.67%
74.5% percentile
CISA KEV
Not listed
Published
2022.03.29
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.67%
Technical severityCVSS 9.8

Vulnerability overview

CVE-2022-25521 affects network video recorder firmware. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Affected product and versions

Product
network video recorder firmware
Affected versions
<= 1.0
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 network video recorder 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-798
CVE-2022-25521 — network video recorder firmware | SECUFOCUS NOW