CVE-2024-8890

Credential and session theft via HTTP-only web interface

Published Sep 18, 2024 · Updated Sep 18, 2024

Cleartext credential exposure in CIRCUTOR Q-SMT firmware 1.0.4 allows remote attackers to steal credentials or sessions over HTTP. The embedded web interface implements only HTTP, transmitting authentication material and session traffic without a protected channel. Exploitation requires access to the device network and user interaction, and stolen credentials or sessions enable unauthorized web access.

CVSS severity8.0
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential exposure in CIRCUTOR Q-SMT firmware 1.0.4 allows remote attackers to steal credentials or sessions over HTTP. The embedded web interface implements only HTTP, transmitting authentication material and session traffic without a protected channel. Exploitation requires access to the device network and user interaction, and stolen credentials or sessions enable unauthorized web access.

The record

CVE
CVE-2024-8890
Published
Sep 18, 2024
Updated
Sep 18, 2024
Vendor
CIRCUTOR
Product
Q-SMT
Classifications
CWE-201, T1040
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.4

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

CIRCUTOR · Q-SMTversion=1.0.4

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.0INCIBECVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-201Insertion of Sensitive Information Into Sent Data
T1040Network Sniffing

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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