How severe is CVE-2025-22258?

CVE-2025-22258 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2025-22258 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-2025-22258?

CVE-2025-22258 primarily affects Fortinet Fortios. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-22258?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-22258 have an EU (EUVD) identifier?

Yes. CVE-2025-22258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34240.

When was CVE-2025-22258 published?

CVE-2025-22258 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-22258

CVE-2025-22258 is a medium-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 6.5. 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-122.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34240
Weakness: CWE-122
Affected product: Fortinet Fortios
Published: 2025-10-14
Last modified: 2026-06-17

Description

A heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAM 1.5.0, 1.4.0 through 1.4.2, 1.3.0 through 1.3.1, 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiProxy 7.6.0 through 7.6.1, 7.4.0 through 7.4.7, FortiOS 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.2 through 7.0.16, FortiSwitchManager 7.2.1 through 7.2.5 allows attackers to escalate their privilege via specially crafted http requests.

Frequently asked questions

What is CVE-2025-22258?: A heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAM 1.5.0, 1.4.0 through 1.4.2, 1.3.0 through 1.3.1, 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiProxy 7.6.0 through 7.6.1, 7.4.0 through 7.4.7, FortiOS 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.2 through 7.0.16, FortiSwitchManager 7.2.1 through 7.2.5 allows attackers to escalate their privilege via specially crafted http requests.
How severe is CVE-2025-22258?: CVE-2025-22258 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2025-22258 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-2025-22258?: CVE-2025-22258 primarily affects Fortinet Fortios. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-22258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-22258 have an EU (EUVD) identifier?: Yes. CVE-2025-22258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34240.
When was CVE-2025-22258 published?: CVE-2025-22258 was published on 2025-10-14 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-546

Affected products (7)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortipam:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisra:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisra:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:*

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