Critical
Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution
A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox.
Announced Source revision 1
Original source ↗CVE-2026-86131
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-86131
Fireware OS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Fireware OS
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "WatchGuard",
"product": "Fireware OS",
"versions": [
{
"status": "affected",
"version": "2026.3",
"lessThan": "2026.3.2",
"versionType": "custom"
},
{
"status": "affected",
"version": "2025.0",
"lessThan": "2026.2.3",
"versionType": "custom"
},
{
"status": "affected",
"version": "12.0",
"lessThan": "12.12.3",
"versionType": "custom"
}
],
"platforms": [
"Default"
],
"defaultStatus": "unaffected"
},
{
"vendor": "WatchGuard",
"product": "Fireware OS",
"versions": [
{
"status": "affected",
"version": "12.0",
"lessThan": "12.5.21",
"versionType": "custom"
}
],
"platforms": [
"T15/T35"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-86131
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #5740 · Revision 1
- Added to Heist Feed
- Publisher date