CVE-2025-50526: Netgear EX8000 V1.0.0.126 was discovered to contain a command injection vulnerability via the switch_status fu

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-50526 is a critical-severity flaw (CVSS 9.8) affecting ex8000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Netgear EX8000 V1.0.0.126 was discovered to contain a command injection vulnerability via the switch_status function.

Why this priority

Critical severity
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
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	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-77
Published	2025-12-23
Last modified	2026-10-26

Publisher (CNA): MITRE · Vendor: netgear

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-23 16:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

netgear ex8000 firmware MITIGATE

Affected: 1.0.0.126

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.126

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · rust-snpguest · FIXED · 0.11.0-1.eln159 · FEDORA-2026-baa01ba6c8 · source

sudo dnf upgrade --advisory=FEDORA-2026-baa01ba6c8

Fedora 46 · rust-sev · FIXED · 8.0.0-1.fc46 · FEDORA-2026-df06b5fb0c · source

sudo dnf upgrade --advisory=FEDORA-2026-df06b5fb0c

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-2025-50526?

ex8000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-50526 being exploited?

CVE-2025-50526 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-2025-50526 affect?

CVE-2025-50526 affects ex8000 firmware. Severity is critical (CVSS 9.8). Netgear EX8000 V1.0.0.126 was discovered to contain a command injection vulnerability via the switch_status function.

How urgent is CVE-2025-50526?

Priority 62/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Netgear vulnerabilities

Related CVEs

CVE-2025-45493 MEDIUM 6.5 MITIGATE Netgear EX8000 V1.0.0.126 is vulnerable to Command Injection via the iface parameter in the action_bandwidth f

References

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