Answer in brief
CVE-2026-13053 records a High severity (CVSS 8.6) vulnerability in WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler. The current sources do not mark it as known exploited. The current feed maps WatchGuard/Fireware OS (generic), WatchGuard/Fireware OS (generic), WatchGuard/Fireware OS (generic), WatchGuard/Fireware OS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps WatchGuard/Fireware OS (generic), WatchGuard/Fireware OS (generic), WatchGuard/Fireware OS (generic), WatchGuard/Fireware OS (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:h:watchguard:fireboxcloud:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m270:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m290:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m295:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m370:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m390:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m395:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m440:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m4600:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m470:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m4800:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m495:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m5600:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m570:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m5800:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m590:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m595:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m670:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m690:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_m695:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_nv5:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t115-w:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t125:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t125-w:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t145:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t145-w:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t15:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t185:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t20:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t25:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t35:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t40:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t45:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t55:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t70:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t80:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:firebox_t85:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:h:watchguard:fireboxv:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| WatchGuard/Fireware OSgeneric | 11.0 || 12.0 || 12.5 || 2025.1 | Not reported |
| WatchGuard/Fireware OSgeneric | >=2025.1 <2026.2.1 || >=12.0 <12.12.1 || >=11.0 <* | 2026.2.1, 12.12.1, * |
| WatchGuard/Fireware OSgeneric | >=12.0 <12.5.19 | 12.5.19 |
| WatchGuard/Fireware OSgeneric | >=12.0 <12.11.9 | 12.11.9 |
Published upstream
Jul 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 3, 2026
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
Quoted source text, attributed separately from HOL analysis.