This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
Metrics
Affected Vendors & Products
No advisories yet.
Solution
Fireware OS 2026.2.1, Fireware OS 12.12.1, Fireware OS 12.5.19
Workaround
No workaround given by the vendor.
Thu, 13 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Watchguard firebox Cloud
Watchguard firebox M270 Watchguard firebox M290 Watchguard firebox M295 Watchguard firebox M370 Watchguard firebox M390 Watchguard firebox M395 Watchguard firebox M440 Watchguard firebox M4600 Watchguard firebox M470 Watchguard firebox M4800 Watchguard firebox M495 Watchguard firebox M570 Watchguard firebox M590 Watchguard firebox M595 Watchguard firebox M670 Watchguard firebox M690 Watchguard firebox M695 Watchguard firebox Nv5 Watchguard firebox T115-w Watchguard firebox T125 Watchguard firebox T125-w Watchguard firebox T145 Watchguard firebox T145-w Watchguard firebox T15 Watchguard firebox T185 Watchguard firebox T20 Watchguard firebox T25 Watchguard firebox T35 Watchguard firebox T40 Watchguard firebox T45 Watchguard firebox T55 Watchguard firebox T70 Watchguard firebox T80 Watchguard firebox T85 Watchguard fireboxv Watchguard fireware |
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:2.3:a:watchguard:firebox_cloud:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m270:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m290:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m295:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m370:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m390:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m395:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m440:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m4600:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m470:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m4800:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m495:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m570:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m590:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m595:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m670:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m690:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_m695:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_nv5:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t115-w:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t125-w:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t125:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t145-w:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t145:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t15:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t185:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t20:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t25:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t35:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t40:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t45:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t55:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t70:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t80:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:firebox_t85:-:*:*:*:*:*:*:* cpe:2.3:h:watchguard:fireboxv:-:*:*:*:*:*:*:* cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* cpe:2.3:o:watchguard:fireware:11.12.4:-:*:*:*:*:*:* cpe:2.3:o:watchguard:fireware:11.12.4:u1:*:*:*:*:*:* |
|
| Vendors & Products |
Watchguard firebox Cloud
Watchguard firebox M270 Watchguard firebox M290 Watchguard firebox M295 Watchguard firebox M370 Watchguard firebox M390 Watchguard firebox M395 Watchguard firebox M440 Watchguard firebox M4600 Watchguard firebox M470 Watchguard firebox M4800 Watchguard firebox M495 Watchguard firebox M570 Watchguard firebox M590 Watchguard firebox M595 Watchguard firebox M670 Watchguard firebox M690 Watchguard firebox M695 Watchguard firebox Nv5 Watchguard firebox T115-w Watchguard firebox T125 Watchguard firebox T125-w Watchguard firebox T145 Watchguard firebox T145-w Watchguard firebox T15 Watchguard firebox T185 Watchguard firebox T20 Watchguard firebox T25 Watchguard firebox T35 Watchguard firebox T40 Watchguard firebox T45 Watchguard firebox T55 Watchguard firebox T70 Watchguard firebox T80 Watchguard firebox T85 Watchguard fireboxv Watchguard fireware |
|
| Metrics |
cvssV3_1
|
Mon, 10 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.0 cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5 cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1 |
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* |
| References |
|
Mon, 06 Jul 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 02 Jul 2026 23:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2. | |
| Title | WatchGuard Firebox admd Out of Bounds Write Vulnerability | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
|
| Weaknesses | CWE-120 | |
| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:11.0 cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.0 cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5 cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1 |
|
| Vendors & Products |
Watchguard
Watchguard fireware Os |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: WatchGuard
Published:
Updated: 2026-08-10T19:12:09.692Z
Reserved: 2026-05-10T12:48:43.918Z
Link: CVE-2026-8247
Updated: 2026-07-06T15:46:54.782Z
Status : Analyzed
Published: 2026-07-03T00:16:52.773
Modified: 2026-08-13T19:22:32.740
Link: CVE-2026-8247
No data.
OpenCVE Enrichment
Updated: 2026-08-13T21:45:03Z