How severe is CVE-2025-25613?

CVE-2025-25613 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-2025-25613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25613?

CVE-2025-25613 affects Fs S3150-8t2f Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25613?

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-2025-25613 have an EU (EUVD) identifier?

Yes. CVE-2025-25613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198337.

When was CVE-2025-25613 published?

CVE-2025-25613 was published on 2025-11-20 and last updated on 2026-07-05.

CVE-2025-25613

CVE-2025-25613 is a high-severity vulnerability in Fs S3150-8t2f Firmware 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-312.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198337
Weakness: CWE-312
Affected product: Fs S3150-8t2f Firmware
Published: 2025-11-20
Last modified: 2026-07-05

Description

FS Inc S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch, 8 x Gigabit RJ45, with 2 x 1Gb SFP, Fanless. All versions before 2.2.0D Build 135103 were discovered to transmit cookies for their web based administrative application containing usernames and passwords. These were transmitted in cleartext using simple base64 encoding during every POST request made to the server.

Frequently asked questions

What is CVE-2025-25613?: FS Inc S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch, 8 x Gigabit RJ45, with 2 x 1Gb SFP, Fanless. All versions before 2.2.0D Build 135103 were discovered to transmit cookies for their web based administrative application containing usernames and passwords. These were transmitted in cleartext using simple base64 encoding during every POST request made to the server.
How severe is CVE-2025-25613?: CVE-2025-25613 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-2025-25613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25613?: CVE-2025-25613 affects Fs S3150-8t2f Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25613?: 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-2025-25613 have an EU (EUVD) identifier?: Yes. CVE-2025-25613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198337.
When was CVE-2025-25613 published?: CVE-2025-25613 was published on 2025-11-20 and last updated on 2026-07-05.

References

https://github.com/SwiftSecur/S3150-8T2F-FS.com-Research/wiki

EU advisories (EUVD)

Affected products (1)

cpe:2.3:o:fs:s3150-8t2f_firmware:*:*:*:*:*:*:*:*

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