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CRITICAL · 9.8

CVE-2024-41593

DrayTek Vigor310 devices through 4.3.2.6 allow a remote attacker to execute arbitrary code via the function ft_payload_dns(), because a byte sign-extension operation occurs for the length argument of ...

Vulnerability Description

DrayTek Vigor310 devices through 4.3.2.6 allow a remote attacker to execute arbitrary code via the function ft_payload_dns(), because a byte sign-extension operation occurs for the length argument of a _memcpy call, leading to a heap-based Buffer Overflow.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
DraytekVigor3912 Firmware< 4.3.6.1
DraytekVigor3912-
DraytekVigor2962 Firmware< 4.3.2.8
DraytekVigor2962-
DraytekVigor3910 Firmware< 4.3.2.8
DraytekVigor3910-
DraytekVigor165 Firmware< 4.2.7
DraytekVigor165-
DraytekVigor1000B Firmware< 4.3.2.8
DraytekVigor1000B-
DraytekVigor166 Firmware< 4.2.7
DraytekVigor166-
DraytekVigor2135 Firmware< 4.4.5.3
DraytekVigor2135-
DraytekVigor2763 Firmware< 4.4.5.3
DraytekVigor2763-
DraytekVigor2765 Firmware< 4.4.5.3
DraytekVigor2765-
DraytekVigor2865 Firmware< 4.4.5.2
DraytekVigor2865-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2024-41593?

CVE-2024-41593 is a vulnerability with a CVSS score of 9.8 (CRITICAL). DrayTek Vigor310 devices through 4.3.2.6 allow a remote attacker to execute arbitrary code via the function ft_payload_dns(), because a byte sign-extension operation occurs for the length argument of ...

How severe is CVE-2024-41593?

CVE-2024-41593 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2024-41593?

Check the references section above for vendor advisories and patch information. Affected products include: Draytek Vigor3912 Firmware, Draytek Vigor3912, Draytek Vigor2962 Firmware, Draytek Vigor2962, Draytek Vigor3910 Firmware.