Fireware OS Authenticated Stack Buffer Overflow in certd Allows Denial of Service
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| WatchGuard | Fireware OS | unaffected |
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| WatchGuard | Fireware OS | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||
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| Watchguard | Fireware Os |
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| Watchguard | Fireware Os |
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Vendor Solution
Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.243% probability within 30 days)
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-90442 |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker with access to the Firebox management interface to crash the certificate management service and potentially execute arbitrary code by sending a specially crafted request. | |
| Title | Fireware OS Authenticated Stack Buffer Overflow in certd Allows Denial of Service | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
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| Weaknesses | CWE-121 CWE-787 |
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| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard fireware Os |
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| References |
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| Metrics |
cvssV4_0
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