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CVE-2024-43027

Draytek Vigor2960 Firmware command injection

8.0 HIGHPublic exploitEPSS 1.30%
  1. Published21 Aug 2024

Description

DrayTek Vigor 3900 before v1.5.1.5_Beta, DrayTek Vigor 2960 before v1.5.1.5_Beta and DrayTek Vigor 300B before v1.5.1.5_Beta were discovered to contain a command injection vulnerability via the action parameter at cgi-bin/mainfunction.cgi.

CVSS 3.1 breakdown

Attack vectorAdjacent
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Draytek Vigor2960 Firmware< 1.5.1.5
Draytek Vigor300b Firmware< 1.5.1.5
Draytek Vigor3900 Firmware< 1.5.1.5

Remediation

Fixed in
Draytek Vigor2960 Firmware≥ 1.5.1.5
Draytek Vigor300b Firmware≥ 1.5.1.5
Draytek Vigor3900 Firmware≥ 1.5.1.5

References

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Frequently asked

Is CVE-2024-43027 being actively exploited?

CVE-2024-43027 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.30%.

How severe is CVE-2024-43027?

CVE-2024-43027 has a CVSS 3.1 base score of 8.0, rated high. EPSS estimates a 1.30% probability of exploitation.

Which products are affected by CVE-2024-43027?

Affected products include Draytek Vigor2960 Firmware, Draytek Vigor300b Firmware, Draytek Vigor3900 Firmware.

How do I fix CVE-2024-43027?

Upgrade affected software to a fixed version, for example Draytek Vigor2960 Firmware 1.5.1.5, Draytek Vigor300b Firmware 1.5.1.5, Draytek Vigor3900 Firmware 1.5.1.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-43027 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.