SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-34508

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

MEDIUM 5.3EPSS 73.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 73.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 4.0
5.3 MEDIUMCVSS: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/M
EPSS
73.75% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Source
disclosure@vulncheck.com
EPSS trend
0%38%75%1 November 2026: 73.75%1 November 20261 November 2026

EPSS 73.8% since 1 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.