How severe is CVE-2018-25140?

CVE-2018-25140 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-25140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2018-25140 have an EU (EUVD) identifier?

Yes. CVE-2018-25140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205342.

When was CVE-2018-25140 published?

CVE-2018-25140 was published on 2025-12-24 and last updated on 2026-06-17.

CVE-2018-25140

CVE-2018-25140 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 9.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205342
Weakness: CWE-306
Published: 2025-12-24
Last modified: 2026-06-17

Description

FLIR thermal traffic cameras contain an unauthenticated device manipulation vulnerability in their WebSocket implementation that allows attackers to bypass authentication and authorization controls. Attackers can directly modify device configurations, access system information, and potentially initiate denial of service by sending crafted WebSocket messages without authentication.

Frequently asked questions

What is CVE-2018-25140?: FLIR thermal traffic cameras contain an unauthenticated device manipulation vulnerability in their WebSocket implementation that allows attackers to bypass authentication and authorization controls. Attackers can directly modify device configurations, access system information, and potentially initiate denial of service by sending crafted WebSocket messages without authentication.
How severe is CVE-2018-25140?: CVE-2018-25140 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-25140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2018-25140 have an EU (EUVD) identifier?: Yes. CVE-2018-25140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205342.
When was CVE-2018-25140 published?: CVE-2018-25140 was published on 2025-12-24 and last updated on 2026-06-17.

References

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

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CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

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