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CVE-2024-36140: A vulnerability has been identified in OZW672 (All versions < V5.2), OZW772 (All versions < V5.2)

30
Routine
MEDIUM 6.8UPGRADEUPGRADE

CVE-2024-36140 is a medium-severity flaw (CVSS 6.8) affecting ozw672 firmware, ozw772 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been identified in OZW672 (All versions < V5.2), OZW772 (All versions < V5.2). The user accounts tab of affected devices is vulnerable to stored cross-site scripting (XSS) attacks. This could allow an authenticated remote attacker to inject arbitrary JavaScript code that is later executed by another authenticated victim user with potential higher privileges than the attacker.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionRequired
EPSS exploit chance0.3% (top 75%)
CISA exploited listNo
WeaknessCWE-79
Published2024-11-12
Last modified2026-06-17
Publisher (CNA): Siemens AG · Vendor: siemens

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

Am I affected?

Timeline

siemens ozw672 firmware UPGRADE
Affected: < 5.2
Fixed in: 5.2
Safe to downgrade to: no unaffected older release
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.
siemens ozw772 firmware UPGRADE
Affected: < 5.2
Fixed in: 5.2
Safe to downgrade to: no unaffected older release
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-2024-36140?

ozw672 firmware: upgrade to 5.2; ozw772 firmware: upgrade to 5.2. Exact commands for each OS are on this page.

Is CVE-2024-36140 being exploited?

CVE-2024-36140 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-2024-36140 affect?

CVE-2024-36140 affects ozw672 firmware, ozw772 firmware. Severity is medium (CVSS 6.8). A vulnerability has been identified in OZW672 (All versions < V5.2), OZW772 (All versions < V5.2). The user accounts tab of affected devices is vulnerable to stored cross-site scripting (XSS) attacks. This could allow an authenticated re

How urgent is CVE-2024-36140?

Priority 30/100. No elevated risk signals yet.

Software pages

Siemens vulnerabilities

Related CVEs

References

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