CVE-2024-8889: Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configura

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CRITICAL 9.3REMOTEMITIGATE

CVE-2024-8889 is a critical-severity flaw (CVSS 9.3) affecting tcp2rs\+ firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol and port 2000, deconfiguring the device and thus disabling its use. This equipment is at the end of its useful life cycle.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.3 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-20
Published	2024-09-18
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: circutor

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

Am I affected?

Timeline

2024-09-18 12:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

circutor tcp2rs\+ firmware MITIGATE

Affected: 1.3b

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3b

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

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-2024-8889?

tcp2rs\+ firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-8889 being exploited?

CVE-2024-8889 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-2024-8889 affect?

CVE-2024-8889 affects tcp2rs\+ firmware. Severity is critical (CVSS 9.3). Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets thro

How urgent is CVE-2024-8889?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-8892 MEDIUM 5.3 MITIGATE Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configura

References

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