PatchTheCVECVE-2024-8891: An attacker with no knowledge of the current users in the web application, could build a dictionary of potenti
CVE-2024-8891 is a medium-severity flaw (CVSS 5.3) affecting q-smt firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An attacker with no knowledge of the current users in the web application, could build a dictionary of potential users and check the server responses as it indicates whether or not the user is present in CIRCUTOR Q-SMT in its firmware version 1.0.4.
Why this priority
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-359 |
| Published | 2024-09-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2024-8891?
q-smt firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2024-8891 being exploited?
CVE-2024-8891 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-2024-8891 affect?
CVE-2024-8891 affects q-smt firmware. Severity is medium (CVSS 5.3). An attacker with no knowledge of the current users in the web application, could build a dictionary of potential users and check the server responses as it indicates whether or not the user is present in CIRCUTOR Q-SMT in its firmware versi
How urgent is CVE-2024-8891?
Priority 29/100. Remotely exploitable, no login, no user action
Related CVEs
- CVE-2024-8890 HIGH 8.0 MITIGATE An attacker with access to the network where the CIRCUTOR Q-SMT is located in its firmware version 1.0.4, coul
- CVE-2024-8888 CRITICAL 10.0 MITIGATE An attacker with access to the network where CIRCUTOR Q-SMT is located in its firmware version 1.0.4, could st
- CVE-2024-8887 CRITICAL 10.0 MITIGATE CIRCUTOR Q-SMT in its firmware version 1.0.4, could be affected by a denial of service (DoS) attack if an atta