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Vulnerabilities

Vulnerability · CVE-2025-34023

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Jun 20, 2025 · catalog updated Oct 18, 2026 · Karel Karel IP Phone IP1211

Patch now

CVE-2025-34023 is in the CISA known-exploited catalog. Confirm Karel Karel IP Phone IP1211 against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.56%
Remediation
Remediation guidance
Affected products
vendor Karel IP1211 IP Phone's Web Management Panel · vendor Karel Karel IP Phone IP1211 0 ≤*

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-02 UTC. 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 Karel IP1211 IP Phone's Web Management Panelversion unspecified
  • vendor Karel Karel IP Phone IP1211 0 ≤*0 ≤*

How to fix CVE-2025-34023

What to do

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

Should you patch?

CVE-2025-34023 is in the CISA known-exploited catalog. Confirm Karel Karel IP Phone IP1211 against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Karel Karel IP Phone IP1211 0 ≤* 0 ≤*. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 1.56%. 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. Jun 20, 2025 · VulnCheck KEV

    Detected

    A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-0

  2. Jun 20, 2025 · CISA KEV

    Known exploited

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

  3. Sep 30, 2026 · EUVD

    Updated

    A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-0

  4. Oct 18, 2026 · NIST NVD

    Updated

    A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-0

Sources

  • CVE.orgVulnerability recordCVE-2025-34023

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-34023

    30-day exploitation probability 1.6%

    first.org
  • EUVDVulnerability recordEUVD-2025-18777

    A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system b

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-34023

    A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system b

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2025-34023

    A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system b

    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.