CVE-2025-3927
CVE-2025-3927 is a critical-severity vulnerability in Digigram Pyko-out with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-13222
- Weakness: CWE-862
- Affected product: Digigram Pyko-out
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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, potentially pivoting to connected network or hardware devices.
- How severe is CVE-2025-3927?
- CVE-2025-3927 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-3927 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-3927?
- CVE-2025-3927 affects Digigram Pyko-out. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-3927?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-3927 have an EU (EUVD) identifier?
- Yes. CVE-2025-3927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13222.
- When was CVE-2025-3927 published?
- CVE-2025-3927 was published on 2025-05-02 and last updated on 2026-06-17.
References
- https://www.digigram.com/download/pyko-out-user-manual-en-jan-2019/
- https://www.kb.cert.org/vuls/id/360686
Affected products (1)
- cpe:2.3:a:digigram:pyko-out:-:*:*:*:*:*:*:*
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