How severe is CVE-2025-47855?

CVE-2025-47855 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-2025-47855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-47855?

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-2025-47855 have an EU (EUVD) identifier?

Yes. CVE-2025-47855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2230.

When was CVE-2025-47855 published?

CVE-2025-47855 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2025-47855

CVE-2025-47855 is a critical-severity vulnerability 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-200.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2230
Weakness: CWE-200
Published: 2026-01-13
Last modified: 2026-06-17

Description

An exposure of sensitive information to an unauthorized actor [CWE-200] vulnerability in Fortinet FortiFone 7.0.0 through 7.0.1, FortiFone 3.0.13 through 3.0.23 allows an unauthenticated attacker to obtain the device configuration via crafted HTTP or HTTPS requests.

Frequently asked questions

What is CVE-2025-47855?: An exposure of sensitive information to an unauthorized actor [CWE-200] vulnerability in Fortinet FortiFone 7.0.0 through 7.0.1, FortiFone 3.0.13 through 3.0.23 allows an unauthenticated attacker to obtain the device configuration via crafted HTTP or HTTPS requests.
How severe is CVE-2025-47855?: CVE-2025-47855 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-2025-47855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-47855?: 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-2025-47855 have an EU (EUVD) identifier?: Yes. CVE-2025-47855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2230.
When was CVE-2025-47855 published?: CVE-2025-47855 was published on 2026-01-13 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-260

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