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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-34790

26
FAUCET Score

CVE-2026-34790 is a directory traversal vulnerability affecting Endian Firewall versions 3.3.25 and prior, allowing authenticated users to delete arbitrary files. Rated 7.1 HIGH, this flaw permits a low-privileged network attacker to achieve high integrity impact (arbitrary file deletion) and low availability impact by manipulating an unsanitized parameter in /cgi-bin/backup.cgi. There is currently no evidence of active exploitation, nor are public exploit codes or significant community discussion available, as indicated by its low EPSS score and absence from CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.3.25CPE matchmatch criteria
cpe:2.3:a:endian:firewall_community:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 37th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

help.endian.com / hc/en-us/sections/360004371358-Community
Release Notes
vulncheck.com / advisories/endian-firewall-cgi-bin-backup-cgi-remove-archive-directory-traversal
Third Party Advisory