A Directory Traversal issue was discovered in process_post on Draytek Vigor3910 4.3.2.5…
Priority MEDIUM 40CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
A Directory Traversal issue was discovered in process_post on Draytek Vigor3910 4.3.2.5 devices. When sending a certain POST request, it calls the function and exports information.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00852 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23721
- 2026-10-03 Alias added: GHSA-h8qq-7cp6-5q6c
References
More DrayTek Vigor3910 Firmware vulnerabilities
- TI-2023-16684 Draytek Vigor Routers firmware versions below 3.9.6/4.2.4, Access Points firmware… CVSS 3.1CRITICAL 9.8
- TI-2024-27685 Buffer Overflow vulnerabilities exist in DrayTek Vigor310 devices through 4.3.2.6 (in the… CVSS 3.1HIGH 8.0
- TI-2024-27684 DrayTek Vigor310 devices through 4.3.2.6 allow a remote attacker to change settings or… CVSS 3.1HIGH 8.0
- TI-2024-27681 DrayTek Vigor3910 devices through 4.3.2.6 have a stack-based overflow when processing… CVSS 3.1HIGH 8.0
- TI-2022-14179 An issue was discovered on certain DrayTek Vigor routers before July 2022 such as the… CVSS 3.1CRITICAL 10.0
- TI-2024-27674 DrayTek Vigor3910 devices through 4.3.2.6 are affected by an OS command injection… CVSS 3.1MEDIUM 6.8
Sources
- CVE-2024-23721 · CVE Program
- CVE-2024-23721 · NVD
- FIRST EPSS
- GHSA-h8qq-7cp6-5q6c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences