Which products and versions are affected by CVE-2025-34508?

Affected: ZendTo. The full list is in the CVE brief.

Is CVE-2025-34508 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2025-34508 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2025-34508?

Public exploit code is available.

Is there a fix for CVE-2025-34508?

Fixed versions are available, including ZendTo 6.15-8.

How urgently should CVE-2025-34508 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2025-34508

MediumPublic exploit

A path traversal vulnerability exists in the file dropoff functionality of ZendTo versions 6.15-7 and prior.

Published Jun 17, 2025 · Updated Apr 14, 2026

Key Facts

Patch immediately

CVE-2025-34508 is a medium-severity vulnerability (CVSS 5.3 v4) affecting ZendTo.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 73% probability of exploitation in the next 30 days.
Fixed versions are available, including ZendTo 6.15-8.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v4

5.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

EPSS (30-day exploit likelihood)

73%

Higher than 99.4% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2025-34508 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

A path traversal vulnerability exists in the file dropoff functionality of ZendTo versions 6.15-7 and prior. This could allow a remote, authenticated attacker to retrieve the files of other ZendTo users, retrieve files on the host system, or cause a denial of service.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
ZendTo	See advisory	6.15-8

Patched Releases

ZendTo

6.15-8

Timeline

Publicly disclosed
Jun 17, 2025
Last updated
Apr 14, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

FAQ

Common Questions.

A path traversal vulnerability exists in the file dropoff functionality of ZendTo versions 6.15-7 and prior.
Affected: ZendTo. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including ZendTo 6.15-8.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2025-34508 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.