CVE-2025-25625: A stored cross-site scripting vulnerability exists in FS model S3150-8T2F switches running firmware s3150-8t2f

Routine

MEDIUM 5.4MITIGATE

CVE-2025-25625 is a medium-severity flaw (CVSS 5.4) affecting s3150-8t2f firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross-site scripting vulnerability exists in FS model S3150-8T2F switches running firmware s3150-8t2f-switch-fsos-220d_118101 and web firmware v2.2.2, which allows an authenticated web interface user to bypass input filtering on user names, and stores un-sanitized HTML and Javascript on the device. Pages which then present the user name without encoding special characters will then cause the injected code to be parsed by the browsers of

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-03-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-13 15:15 UTCPublished CVE record published
2026-06-17 09:00 UTCUpdated Record last modified

fs s3150-8t2f firmware MITIGATE

Affected: 2.2.2 · s3150-8t2f-switch-fsos-220d_118101

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-25625?

s3150-8t2f firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-25625 being exploited?

CVE-2025-25625 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-25625 affect?

CVE-2025-25625 affects s3150-8t2f firmware. Severity is medium (CVSS 5.4). A stored cross-site scripting vulnerability exists in FS model S3150-8T2F switches running firmware s3150-8t2f-switch-fsos-220d_118101 and web firmware v2.2.2, which allows an authenticated web interface user to bypass input filtering on us

How urgent is CVE-2025-25625?

Priority 23/100. No elevated risk signals yet.

Related CVEs

CVE-2025-25613 HIGH 7.5 UPGRADE FS Inc S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch, 8 x Gigabit RJ45, with 2 x 1Gb SFP, Fanless

References

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