CVE catalog
CVE-2026-6643
A stack-based buffer overflow vulnerability was found in the VPN Clients on the ADM. The issue stems from the use of unbounded sscanf() and passing user-controlled data directly to printf(). Due to th
- Severity
- High · CVSS 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.47% · Oct 25, 2026
A stack-based buffer overflow vulnerability was found in the VPN Clients on the ADM. The issue stems from the use of unbounded sscanf() and passing user-controlled data directly to printf(). Due to the lack of PIE and Stack Canary protections, an authenticated remote attacker can exploit these to execute arbitrary code as the web server user. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RR42 as well as from ADM 5.0.0 through ADM 5.1.2.REO1.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | data_master | Not reported | 4.3.3.RR42 | fixed |
| Cpe | data_master | Not reported | 5.1.2.reo1 | fixed |
| Cpe | data_master | Not reported | 5.1.2.reo1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | data_master | cpe | Not reported | 4.3.3.RR42 | Not reported | Not reported | Not reported |
| Cpe | data_master | cpe | Not reported | 5.1.2.reo1 | Not reported | Not reported | Not reported |
| Cpe | data_master | cpe | Not reported | 5.1.2.reo1 | Not reported | NVD-CVE-2026-6643 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: