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CVE-2024-28340: An information leak in the currentsetting.htm component of Netgear CBR40 2.5.0.28, Netgear CBK40 2.5.0.28, and

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This week
HIGH 7.5REMOTEMITIGATEMITIGATEMITIGATE

CVE-2024-28340 is a high-severity flaw (CVSS 7.5) affecting cbk40 firmware, cbk43 firmware, cbr40 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An information leak in the currentsetting.htm component of Netgear CBR40 2.5.0.28, Netgear CBK40 2.5.0.28, and Netgear CBK43 2.5.0.28 allows attackers to obtain sensitive information without any authentication required.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 50%)
CISA exploited listNo
WeaknessCWE-200
Published2024-03-12
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: netgear

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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

netgear cbk40 firmware MITIGATE
Affected: 2.5.0.28
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.5.0.28
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.
netgear cbk43 firmware MITIGATE
Affected: 2.5.0.28
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.5.0.28
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.
netgear cbr40 firmware MITIGATE
Affected: 2.5.0.28
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.5.0.28
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-2024-28340?

cbk40 firmware: mitigate or apply the listed mitigation; cbk43 firmware: mitigate or apply the listed mitigation; cbr40 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-28340 being exploited?

CVE-2024-28340 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-2024-28340 affect?

CVE-2024-28340 affects cbk40 firmware, cbk43 firmware, cbr40 firmware. Severity is high (CVSS 7.5). An information leak in the currentsetting.htm component of Netgear CBR40 2.5.0.28, Netgear CBK40 2.5.0.28, and Netgear CBK43 2.5.0.28 allows attackers to obtain sensitive information without any authentication required.

How urgent is CVE-2024-28340?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Netgear vulnerabilities

Related CVEs

References

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