CVE-2024-8878: The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset th

Q: How do I fix CVE-2024-8878?

netman 204 firmware: upgrade to newer than 4.05. Exact commands for each OS are on this page.

Q: Is CVE-2024-8878 being exploited?

CVE-2024-8878 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-8878 affect?

CVE-2024-8878 affects netman 204 firmware. Severity is critical (CVSS 9.8). The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin password and take over control of the device.This issue affects Netman 204: through 4.05.

Q: How urgent is CVE-2024-8878?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-8878 is a critical-severity flaw (CVSS 9.8) affecting netman 204 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin password and take over control of the device.This issue affects Netman 204: through 4.05.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-640
Published	2024-09-25
Last modified	2026-06-17

Publisher (CNA): CyberDanube · Vendor: riello-ups

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-25 01:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

riello-ups netman 204 firmware UPGRADE

Affected: <= 4.05

Fixed in: newer than 4.05

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2024-8878?

netman 204 firmware: upgrade to newer than 4.05. Exact commands for each OS are on this page.

Is CVE-2024-8878 being exploited?

CVE-2024-8878 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-2024-8878 affect?

CVE-2024-8878 affects netman 204 firmware. Severity is critical (CVSS 9.8). The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin password and take over control of the device.This issue affects Netman 204: through 4.05.

How urgent is CVE-2024-8878?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-8877 CRITICAL 9.8 UPGRADE Improper neutralization of special elements results in a SQL Injection vulnerability in Riello Netman 204
CVE-2022-47893 CRITICAL 10.0 MITIGATE There is a remote code execution vulnerability that affects all versions of NetMan 204
CVE-2022-47892 MEDIUM 5.3 MITIGATE All versions of NetMan 204 could allow an unauthenticated remote attacker to read a file (config.cgi) containi
CVE-2022-47891 HIGH 8.1 MITIGATE All versions of NetMan 204 allow an attacker that knows the MAC and serial number of the device to reset the a

References

← Back to latest CVEs