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Response snapshot Oct 30, 2026, 01:51 UTC

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VulnerabilityCVE-2025-34023

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel.

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.

At a glance

Exploited
Not known
Severity
8.5 High (CVSS 4.0)
Chance of exploitation
Not estimated
Sources
1 source

What to do

Check the vendor advisory for affected versions and fixes.

Read NVD CVE-2025-34023 (opens a new tab)

What happened

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.

Scores and how they were measured

CVSS base severity

8.5

Version 4.0As of

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

Not available

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Sources

  1. Primary source

    NVD CVE-2025-34023 (opens a new tab)

    NVD record: description, CVSS (the CNA score is preferred), affected products, and publication date. Not evidence of exploitation.

    Published Checked

  2. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  3. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  4. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, October 29). A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. (CVE-2025-34023). https://kevwire.com/record/CVE-2025-34023

MLA

"A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. (CVE-2025-34023)." KEVWire, 29 Oct. 2026, kevwire.com/record/CVE-2025-34023.

Chicago

KEVWire. "A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. (CVE-2025-34023)." Last modified October 29, 2026. https://kevwire.com/record/CVE-2025-34023.

Evidence summary (plain text)

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. (Jun 20, 2025).
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.
CVSS 8.5 (version 4.0; evidence as of Oct 29, 2026; https://nvd.nist.gov/vuln/detail/CVE-2025-34023).
Sources:
NVD CVE-2025-34023: https://nvd.nist.gov/vuln/detail/CVE-2025-34023
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-10-29T21:01:06.905Z&lastModEndDate=2026-10-29T22:30:56.337Z&resultsPerPage=500&startIndex=0
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-10-29T20:30:59.609Z&lastModEndDate=2026-10-29T22:00:57.783Z&resultsPerPage=500&startIndex=0
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-10-29T20:00:59.343Z&lastModEndDate=2026-10-29T21:30:56.336Z&resultsPerPage=500&startIndex=0
Record ID: CVE-2025-34023.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Oct 29, 2026, 22:30 UTC. Ingestion is not an independent editorial investigation.

NVD status: Deferred. Publication in the NVD is not evidence of exploitation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

Record detail