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Vulnerabilities

Vulnerability · CVE-2023-43261

milesight ur5x_firmware Insertion of Sensitive Information into Log File

Published Oct 13, 2023 · catalog updated Oct 13, 2023 · milesight ur5x_firmware Insertion of

Patch now

CVE-2023-43261 is in the CISA known-exploited catalog. Confirm milesight ur5x_firmware Insertion of against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (milesight ur5x_firmware Insertion of).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
63.67%
Remediation
Remediation guidance
Affected products
vendor milesight ur5x_firmware

An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router components. VulnCheck canary evidence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor milesight ur5x_firmwareversion unspecified

How to fix CVE-2023-43261

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-43261 is in the CISA known-exploited catalog. Confirm milesight ur5x_firmware Insertion of against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 63.67%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2023 · VulnCheck KEV

    Detected

    An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router components. VulnCheck canary evidence.

  2. Oct 13, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2023-43261

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-43261

    30-day exploitation probability 63.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2023-43261

    An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router components.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.