CVE-2025-69929: An issue in N3uron Web User Interface v.1.21.7-240207.1047 allows a remote attacker to escalate privileges via

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-69929 is a critical-severity flaw (CVSS 9.8) affecting web user interface. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in N3uron Web User Interface v.1.21.7-240207.1047 allows a remote attacker to escalate privileges via the password hashing on the client side using the MD5 algorithm over a predictable string format

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-327
Published	2026-01-29
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: n3uron

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-29 20:16 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

n3uron web user interface DOWNGRADE

Affected: 1.21.6-230825.1720 · 1.21.7-240207.1047 · 1.21.13-250422.0858

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.21.6-230825.1720

1. Check installed version

apt-cache policy web-user-interface || rpm -q web-user-interface || web-user-interface --version

2. No fixed release: DOWNGRADE to a release before 1.21.6-230825.1720 (Debian / Ubuntu)

apt-cache madison web-user-interface sudo apt install web-user-interface=<VERSION_BEFORE_1.21.6-230825.1720> sudo apt-mark hold web-user-interface

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list web-user-interface sudo dnf downgrade web-user-interface-<VERSION_BEFORE_1.21.6-230825.1720> sudo dnf versionlock add web-user-interface

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-69929?

web user interface: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-69929 being exploited?

CVE-2025-69929 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-69929 affect?

CVE-2025-69929 affects web user interface. Severity is critical (CVSS 9.8). An issue in N3uron Web User Interface v.1.21.7-240207.1047 allows a remote attacker to escalate privileges via the password hashing on the client side using the MD5 algorithm over a predictable string format

How urgent is CVE-2025-69929?

Priority 54/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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