Is CVE-2026-34790 actively exploited?

No active exploitation of CVE-2026-34790 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34790 be exploited remotely?

Yes. CVE-2026-34790 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34790?

CVE-2026-34790 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2026-34790

CWE-22Published: April 2, 2026· Updated: Apr 7, 2026

8.1

CVSS v3.1

EPSS:0.34%probability of exploitation in 30 daysPercentile:56.8th

Official Description

Endian Firewall version 3.3.25 and prior allow authenticated users to delete arbitrary files via directory traversal in the remove ARCHIVE parameter to /cgi-bin/backup.cgi. The remove ARCHIVE parameter value is used to construct a file path without sanitization of directory traversal sequences, which is then passed to an unlink() call.

NVD Source

Technical Analysis

CVE-2026-34790 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.