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CVE-2024-41592

Draytek Vigor1000b Firmware buffer overflow

8.0 HIGHPublic exploitEPSS 1.40%
  1. Published3 Oct 2024

Description

DrayTek Vigor3910 devices through 4.3.2.6 have a stack-based overflow when processing query string parameters because GetCGI mishandles extraneous ampersand characters and long key-value pairs.

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 Vigor1000b Firmware≥ 4.4.0.0 < 4.4.3.1 · < 4.3.2.8
Draytek Vigor165 Firmware< 4.2.7
Draytek Vigor166 Firmware< 4.2.7
Draytek Vigor2133 Firmware< 3.9.9
Draytek Vigor2135 Firmware< 4.4.5.3
Draytek Vigor2620 Firmware< 3.9.8.9
Draytek Vigor2762 Firmware< 3.9.9
Draytek Vigor2763 Firmware< 4.4.5.3
Draytek Vigor2765 Firmware< 4.4.5.3
Draytek Vigor2766 Firmware< 4.4.5.3
Draytek Vigor2832 Firmware< 3.9.9
Draytek Vigor2860 Firmware< 3.9.8
Draytek Vigor2862 Firmware< 3.9.9.5
Draytek Vigor2865 Firmware< 4.4.5.2
Draytek Vigor2866 Firmware< 4.4.5.2
Draytek Vigor2915 Firmware< 4.4.5.3
Draytek Vigor2925 Firmware< 3.9.8
Draytek Vigor2926 Firmware< 3.9.9.5
Draytek Vigor2952 Firmware< 3.9.8.2
Draytek Vigor2962 Firmware≥ 4.4.0.0 < 4.4.3.1 · < 4.3.2.8
Draytek Vigor3220 Firmware< 3.9.8.2
Draytek Vigor3910 Firmware≥ 4.4.0.0 < 4.4.3.1 · < 4.3.2.8
Draytek Vigor3912 Firmware< 4.3.6.1
Draytek Vigorlte200 Firmware< 3.9.8.9

Remediation

Fixed in
Draytek Vigor1000b Firmware≥ 4.4.3.1
Draytek Vigor165 Firmware≥ 4.2.7
Draytek Vigor166 Firmware≥ 4.2.7
Draytek Vigor2133 Firmware≥ 3.9.9
Draytek Vigor2135 Firmware≥ 4.4.5.3
Draytek Vigor2620 Firmware≥ 3.9.8.9
Draytek Vigor2762 Firmware≥ 3.9.9
Draytek Vigor2763 Firmware≥ 4.4.5.3
Draytek Vigor2765 Firmware≥ 4.4.5.3
Draytek Vigor2766 Firmware≥ 4.4.5.3

References

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Frequently asked

Is CVE-2024-41592 being actively exploited?

CVE-2024-41592 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.40%.

How severe is CVE-2024-41592?

CVE-2024-41592 has a CVSS 3.1 base score of 8.0, rated high. EPSS estimates a 1.40% probability of exploitation.

Which products are affected by CVE-2024-41592?

Affected products include Draytek Vigor1000b Firmware, Draytek Vigor165 Firmware, Draytek Vigor166 Firmware, Draytek Vigor2133 Firmware, Draytek Vigor2135 Firmware, and 19 more.

How do I fix CVE-2024-41592?

Upgrade affected software to a fixed version, for example Draytek Vigor1000b Firmware 4.4.3.1, Draytek Vigor165 Firmware 4.2.7, Draytek Vigor166 Firmware 4.2.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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