WatchGuard TechnologiesCVE-2026-57909

WatchGuard Agent: path traversal

Critical9.4CVE-2026-57909 · Published Aug 25, 2026 · updated Aug 28, 2026

A path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system.

WatchGuard Technologies advisory

Affected versions

Package	Affected	Fixed in
WatchGuard Agent Product	< 1.25.13.0000	1.25.13.0000

Details and references

CVSS 4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-94, CWE-306

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All WatchGuard Technologies

Date	Advisory	Severity	Fixed in
Aug 28	WatchGuard Technologies Fireware OS: out-of-bounds read High8.7Aug 28 CVE-2026-193172026.2.2+3 more	High8.7	2026.2.2+3 more
Aug 28	WatchGuard Technologies Fireware OS: denial of service High8.7Aug 28 CVE-2026-193162026.2.2+3 more	High8.7	2026.2.2+3 more
Aug 28	WatchGuard Technologies Fireware OS: type confusion Critical9.3Aug 28 CVE-2026-193152026.2.2+3 more	Critical9.3	2026.2.2+3 more
Aug 28	WatchGuard Technologies Fireware OS: integer overflow High8.7Aug 28 CVE-2026-193142026.2.2+3 more	High8.7	2026.2.2+3 more
Aug 28	WatchGuard Technologies Fireware OS: heap buffer overflow Medium6.9Aug 28 CVE-2026-818512026.2.1+3 more	Medium6.9	2026.2.1+3 more
Aug 25	WatchGuard Agent: improper authentication Critical9.3Aug 25 CVE-2026-579101.17.01.0000+2 more	Critical9.3	1.17.01.0000+2 more

Affected versions

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