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Vulnerabilities

Vulnerability · CVE-2025-3927

Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not require a password by default, allowing any attacker with the target IP address to connect and compromise the device, p

Published May 2, 2025 · catalog updated May 12, 2025 · Digigram PYKO-OUT

Check if you run it

No confirmed exploitation is on record for CVE-2025-3927. EPSS is 0.56%. Act only if a listed version of Digigram PYKO-OUT is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.56%
Remediation
Vendor / distro source
Affected products
vendor Digigram PYKO-OUT 1.0

Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not require a password by default, allowing any attacker with the target IP address to connect and compromise the device, potentially pivoting to connected network or hardware devices.

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 Digigram PYKO-OUT 1.01.0

How to fix CVE-2025-3927

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2025-3927. EPSS is 0.56%. Act only if a listed version of Digigram PYKO-OUT is installed.

Which versions are affected?

Compare what you have installed with Digigram PYKO-OUT 1.0 1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.56%. There is no CISA KEV listing. 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. May 2, 2025 · EUVD

    Detected

    Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not require a password by default, allowing any attacker with the target IP address to connect and compromise the device, potentially pivoting to connected network or hardware devices.

  2. May 12, 2025 · EUVD

    Updated

    Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not require a password by default, allowing any attacker with the target IP address to connect and compromise the device, potentially pivoting to connected network or hardware devices.

Sources

  • CVE.orgVulnerability recordCVE-2025-3927

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3927

    30-day exploitation probability 0.6%

    first.org
  • EUVDVulnerability recordEUVD-2025-13222

    Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not require a password by default, allowing any attacker with the target IP address to connect and compromise the device, potentially pivoting to connected network or hardware devices.

    euvd.enisa.europa.eu

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.