6.9

CVE-2026-13371

WatchGuard Firebox Management Web UI Denial of Service via Unsafe Deserialization

An authenticated administrator can trigger a denial-of-service condition in the Fireware Management Web UI by sending malformed or crafted data to the put_data endpoint, which performs unsafe deserialization of the attacker-supplied input.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Watchguard ≫ Fireware Version >= 2025.1 < 2026.2.1
   Watchguard ≫ Firebox M295 Version-
   Watchguard ≫ Firebox M395 Version-
   Watchguard ≫ Firebox M495 Version-
   Watchguard ≫ Firebox M595 Version-
   Watchguard ≫ Firebox M695 Version-
   Watchguard ≫ Firebox T115-w Version-
   Watchguard ≫ Firebox T125 Version-
   Watchguard ≫ Firebox T125-w Version-
   Watchguard ≫ Firebox T145 Version-
   Watchguard ≫ Firebox T145-w Version-
   Watchguard ≫ Firebox T185 Version-
Watchguard ≫ Fireware Version >= 12.5 < 12.5.19
   Watchguard ≫ Firebox T15 Version-
   Watchguard ≫ Firebox T35 Version-
Watchguard ≫ Fireware Version >= 12.0 < 12.12.1
   Watchguard ≫ Firebox Cloud Version-
   Watchguard ≫ Firebox M270 Version-
   Watchguard ≫ Firebox M290 Version-
   Watchguard ≫ Firebox M370 Version-
   Watchguard ≫ Firebox M390 Version-
   Watchguard ≫ Firebox M440 Version-
   Watchguard ≫ Firebox M4600 Version-
   Watchguard ≫ Firebox M470 Version-
   Watchguard ≫ Firebox M4800 Version-
   Watchguard ≫ Firebox M5600 Version-
   Watchguard ≫ Firebox M570 Version-
   Watchguard ≫ Firebox M5800 Version-
   Watchguard ≫ Firebox M590 Version-
   Watchguard ≫ Firebox M670 Version-
   Watchguard ≫ Firebox M690 Version-
   Watchguard ≫ Firebox Nv5 Version-
   Watchguard ≫ Firebox T20 Version-
   Watchguard ≫ Firebox T25 Version-
   Watchguard ≫ Firebox T40 Version-
   Watchguard ≫ Firebox T45 Version-
   Watchguard ≫ Firebox T55 Version-
   Watchguard ≫ Firebox T70 Version-
   Watchguard ≫ Firebox T80 Version-
   Watchguard ≫ Firebox T85 Version-
   Watchguard ≫ Fireboxv Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.35% 0.282
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.9 1.2 3.6
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
5d1c2695-1a31-4499-88ae-e847036fd7e3 6.9 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00014
Vendor Advisory
https://psirt.watchguard.com/CVE-2026-13371
Broken Link