CVE-2026-40004: There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview

Routine

MEDIUM 5.5WATCHLISTUPGRADE

CVE-2026-40004 is a medium-severity flaw (CVSS 5.5) affecting zxcloud irai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview. An attacker can execute arbitrary code locally and escalate privileges.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Physical
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-427
Published	2026-05-07
Last modified	2026-10-26

Publisher (CNA): ZTE Corporation · Vendor: zte

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

Am I affected?

Timeline

2026-05-07 04:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

zte zxcloud irai UPGRADE

Affected: >= 7.23.20 and < 7.25.43

Fixed in: 7.25.43

Safe to downgrade to: a release before 7.23.20

1. Check installed version

apt-cache policy zxcloud-irai || rpm -q zxcloud-irai || zxcloud-irai --version

2. UPGRADE to 7.25.43 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zxcloud-irai

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zxcloud-irai

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 7.23.20 (Debian / Ubuntu)

apt-cache madison zxcloud-irai sudo apt install zxcloud-irai=<VERSION_BEFORE_7.23.20> sudo apt-mark hold zxcloud-irai

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

dnf --showduplicates list zxcloud-irai sudo dnf downgrade zxcloud-irai-<VERSION_BEFORE_7.23.20> sudo dnf versionlock add zxcloud-irai

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.

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-2026-40004?

zxcloud irai: upgrade to 7.25.43. Exact commands for each OS are on this page.

Is CVE-2026-40004 being exploited?

CVE-2026-40004 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-2026-40004 affect?

CVE-2026-40004 affects zxcloud irai. Severity is medium (CVSS 5.5). There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview. An attacker can execute arbitrary code locally and escalate privileges.

How urgent is CVE-2026-40004?

Priority 25/100. On your watchlist

Software pages

OpenSSL vulnerabilities · ZTE vulnerabilities

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References

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