CVE-2024-41594: draytek vigor1000b_firmware Inadequate Encryption Strength
CVSS: 7.5v3.1HighModified
Published 03-10-2024Last modified 19-03-2025
Vulnerability summary
CVE-2024-41594 is a high (CVSS 7.5) Inadequate Encryption Strength vulnerability in draytek vigor1000b_firmware. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-10-2024PublishedVulnerability first disclosed.
- 19-03-2025Last modifiedVulnerability information updated.
Description
An issue in DrayTek Vigor310 devices through 4.3.2.6 allows an attacker to obtain sensitive information because the httpd server of the Vigor management UI uses a static string for seeding the PRNG of OpenSSL.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 21-09-2026
21-09-202621-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Draytek13 products
- vigor1000b_firmware< 4.3.2.8 | ≥ 4.4.0.0, < 4.4.3.1
- vigor165_firmware< 4.2.7
- vigor166_firmware< 4.2.7
- vigor2135_firmware< 4.4.5.3
- vigor2763_firmware< 4.4.5.3
1 vendor · 13 products
References
2 links- www.forescout.com/resources/draybreak-draytek-research/MitigationTechnical DescriptionThird Party Advisory