CVE-2024-25734: An issue was discovered on WyreStorm Apollo VX20 devices before 1.3.58

Q: How do I fix CVE-2024-25734?

apollo vx20 firmware: upgrade to 1.3.58. Exact commands for each OS are on this page.

Q: Is CVE-2024-25734 being exploited?

CVE-2024-25734 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-2024-25734 affect?

CVE-2024-25734 affects apollo vx20 firmware. Severity is high (CVSS 7.5). An issue was discovered on WyreStorm Apollo VX20 devices before 1.3.58. The TELNET service prompts for a password only after a valid username is entered, which might make it easier for remote attackers to enumerate user accounts.

Q: How urgent is CVE-2024-25734?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2024-25734 is a high-severity flaw (CVSS 7.5) affecting apollo vx20 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered on WyreStorm Apollo VX20 devices before 1.3.58. The TELNET service prompts for a password only after a valid username is entered, which might make it easier for remote attackers to enumerate user accounts.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-200
Published	2024-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wyrestorm

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

Am I affected?

Timeline

2024-03-27 03:15 UTCPublished CVE record published
2026-06-17 07:16 UTCUpdated Record last modified

wyrestorm apollo vx20 firmware UPGRADE

Affected: < 1.3.58

Fixed in: 1.3.58

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Wyrestorm Apollo VX20 < 1.3.58 - Account Enumeration

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-2024-25734?

apollo vx20 firmware: upgrade to 1.3.58. Exact commands for each OS are on this page.

Is CVE-2024-25734 being exploited?

CVE-2024-25734 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-2024-25734 affect?

CVE-2024-25734 affects apollo vx20 firmware. Severity is high (CVSS 7.5). An issue was discovered on WyreStorm Apollo VX20 devices before 1.3.58. The TELNET service prompts for a password only after a valid username is entered, which might make it easier for remote attackers to enumerate user accounts.

How urgent is CVE-2024-25734?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-25736 HIGH 7.5 UPGRADE An issue was discovered on WyreStorm Apollo VX20 devices before 1.3.58
CVE-2024-25735 CRITICAL 9.1 UPGRADE An issue was discovered on WyreStorm Apollo VX20 devices before 1.3.58

References

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