Buffer overflow in Draytek Vigor1000b
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 a _memcpy call, leading to a heap-based Buffer Overflow.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.forescout.com/resources/draytek14-vulnerabilities (Broken Link)
- www.forescout.com/resources/draybreak-draytek-research/ (Technical Description, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2024-41593?
- CVE-2024-41593 is a critical-severity vulnerability in Draytek Vigor1000b, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-10-03.
- How severe is CVE-2024-41593?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-41593 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.