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CVE-2024-8887Authentication bypass vulnerability on CIRCUTOR Q-SMT

Description

CIRCUTOR Q-SMT in its firmware version 1.0.4, could be affected by a denial of service (DoS) attack if an attacker with access to the web service bypasses the authentication mechanisms on the login page, allowing the attacker to use all the functionalities implemented at web level that allow interacting with the device.

Timeline

  1. ID reserved

    By INCIBE

  2. · 2 days later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2024-8887, by who scored it
Scored byCVSSScoreVector
INCIBECNA (assigner)3.1Critical10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Analyzed3.1High8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.56% · top 53% of all CVEs (15 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.

Affected products

What to do

Solution: CIRCUTOR Q-SMT, in its firmware version 1.0.5, effectively solved the potential threat. CIRCUTOR made the new version available to its customers privately and strongly recommends them to keep their equipment updated.

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .