CVE-2025-29269: ALLNET ALL-RUT22GW v3.3.8 was discovered to contain an OS command injection vulnerability via the command para

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-29269 is a critical-severity flaw (CVSS 9.8) affecting all-rut22gw firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ALLNET ALL-RUT22GW v3.3.8 was discovered to contain an OS command injection vulnerability via the command parameter in the popen.cgi endpoint.

Why this priority

Critical severity
Public exploit reference
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	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-78
Published	2025-12-04
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: allnet

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-04 20:16 UTCPublished CVE record published
2026-07-05 17:17 UTCUpdated Record last modified

allnet all-rut22gw firmware MITIGATE

Affected: 3.3.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3.8

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 46 · legofy · FIXED · 1.0.0-43.20261028git6913585.fc46 · FEDORA-2026-e1e60e1e32 · source

sudo dnf upgrade --advisory=FEDORA-2026-e1e60e1e32

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: blog.byteray.co.uk/critical-vulnerabilities-in-rut22gw-industrial-lte-cellular-routers-f4e

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-2025-29269?

all-rut22gw firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-29269 being exploited?

CVE-2025-29269 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-2025-29269 affect?

CVE-2025-29269 affects all-rut22gw firmware. Severity is critical (CVSS 9.8). ALLNET ALL-RUT22GW v3.3.8 was discovered to contain an OS command injection vulnerability via the command parameter in the popen.cgi endpoint.

How urgent is CVE-2025-29269?

Priority 67/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-29268 CRITICAL 9.8 MITIGATE ALLNET ALL-RUT22GW v3.3.8 was discovered to store hardcoded credentials in the libicos.so library.

References

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