CVE-2018-25155: Teradek Slice 7.3.15 contains a cross-site request forgery vulnerability that allows attackers to change admin

Routine

MEDIUM 4.3MITIGATE

CVE-2018-25155 is a medium-severity flaw (CVSS 4.3) affecting slice firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Teradek Slice 7.3.15 contains a cross-site request forgery vulnerability that allows attackers to change administrative passwords without proper request validation. Attackers can craft a malicious web page that automatically submits password change requests to the device when a logged-in user visits the page.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-352
Published	2025-12-24
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: teradek

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

Am I affected?

Timeline

2025-12-24 20:15 UTCPublished CVE record published
2026-06-17 01:54 UTCUpdated Record last modified

teradek slice firmware MITIGATE

Affected: 7.3.15 build31735

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.3.15

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-2018-25155?

slice firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-25155 being exploited?

CVE-2018-25155 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-2018-25155 affect?

CVE-2018-25155 affects slice firmware. Severity is medium (CVSS 4.3). Teradek Slice 7.3.15 contains a cross-site request forgery vulnerability that allows attackers to change administrative passwords without proper request validation. Attackers can craft a malicious web page that automatically submits passwor

How urgent is CVE-2018-25155?

Priority 23/100. Public exploit reference

References

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