Buffer overflow in Draytek Vigor1000b
CVE-2024-41588
The CGI endpoints v2x00.cgi and cgiwcg.cgi of DrayTek Vigor3910 devices through 4.3.2.6 are vulnerable to buffer overflows, by authenticated users, because of missing bounds checking on parameters passed through POST requests to the strncpy function.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · 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-2024-41588?
- CVE-2024-41588 is a high-severity vulnerability in Draytek Vigor1000b, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.0/10. Published 2024-10-03.
- How severe is CVE-2024-41588?
- High severity. CVSS v3 base score is 8.0 out of 10.
- Is CVE-2024-41588 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.