CVE-2025-46121: An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139, where the f

Q: How do I fix CVE-2025-46121?

ruckus unleashed: upgrade to 200.15.6.212.14, 200.17.7.0.139; ruckus zonedirector: upgrade to 10.5.1.0.279. Exact commands for each OS are on this page.

Q: Is CVE-2025-46121 being exploited?

CVE-2025-46121 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-46121 affect?

CVE-2025-46121 affects ruckus unleashed, ruckus zonedirector. Severity is critical (CVSS 9.8). An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139, where the functions `stamgr_cfg_adpt_addStaFavourite` and `stamgr_cfg_adpt_addStaIot` pass a client hostname directly to snprintf as the form

Q: How urgent is CVE-2025-46121?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADEUPGRADE

CVE-2025-46121 is a critical-severity flaw (CVSS 9.8) affecting ruckus unleashed, ruckus zonedirector. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139, where the functions `stamgr_cfg_adpt_addStaFavourite` and `stamgr_cfg_adpt_addStaIot` pass a client hostname directly to snprintf as the format string. A remote attacker can exploit this flaw either by sending a crafted request to the authenticated endpoint `/admin/_conf.jsp`, or without authentication and without direct network access to the contro

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-134
Published	2025-07-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ruckuswireless

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

Am I affected?

Timeline

2025-07-21 15:15 UTCPublished CVE record published
2026-06-17 09:25 UTCUpdated Record last modified

ruckuswireless ruckus unleashed UPGRADE

Affected: < 200.15.6.212.14 · >= 200.17 and < 200.17.7.0.139

Fixed in: 200.15.6.212.14, 200.17.7.0.139

Safe to downgrade to: a release before 200.17

1. Check installed version

apt-cache policy ruckus-unleashed || rpm -q ruckus-unleashed || ruckus-unleashed --version

2. UPGRADE to 200.15.6.212.14 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ruckus-unleashed

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ruckus-unleashed

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 200.17 (Debian / Ubuntu)

apt-cache madison ruckus-unleashed sudo apt install ruckus-unleashed=<VERSION_BEFORE_200.17> sudo apt-mark hold ruckus-unleashed

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ruckus-unleashed sudo dnf downgrade ruckus-unleashed-<VERSION_BEFORE_200.17> sudo dnf versionlock add ruckus-unleashed

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

ruckuswireless ruckus zonedirector UPGRADE

Affected: < 10.5.1.0.279

Fixed in: 10.5.1.0.279

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ruckus-zonedirector || rpm -q ruckus-zonedirector || ruckus-zonedirector --version

2. UPGRADE to 10.5.1.0.279 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ruckus-zonedirector

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ruckus-zonedirector

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-46121?

ruckus unleashed: upgrade to 200.15.6.212.14, 200.17.7.0.139; ruckus zonedirector: upgrade to 10.5.1.0.279. Exact commands for each OS are on this page.

Is CVE-2025-46121 being exploited?

CVE-2025-46121 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-2025-46121 affect?

CVE-2025-46121 affects ruckus unleashed, ruckus zonedirector. Severity is critical (CVSS 9.8). An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139, where the functions `stamgr_cfg_adpt_addStaFavourite` and `stamgr_cfg_adpt_addStaIot` pass a client hostname directly to snprintf as the form

How urgent is CVE-2025-46121?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-63735 MEDIUM 6.1 DOWNGRADE A reflected Cross site scripting (XSS) vulnerability in Ruckus Unleashed 200.13.6.1.319 via the name parameter
CVE-2025-46123 HIGH 7.2 UPGRADE UPGRADE An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139, and in Ruck
CVE-2025-46122 CRITICAL 9.1 UPGRADE UPGRADE An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139, where the a
CVE-2025-46120 CRITICAL 9.8 UPGRADE UPGRADE An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.27 and 200.18.7.1.323, and in Ruck
CVE-2025-46119 MEDIUM 6.3 UPGRADE UPGRADE An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.27 and 200.18.7.1.323, and in Ruck

References

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