CVE-2024-1623

Unauthenticated administrative access via retained sessions

Published Mar 14, 2024 · Updated Aug 28, 2024

Insufficient session expiration in Sagemcom F@ST 3686 Vodafone firmware before FAST3686_ONO-SIP_3.709.2 allows local users to access the admin panel. Login.asp and logout.asp mishandle session details by preserving authorization after logout or the intended timeout. Local access to the router is required; no login credentials or user interaction are needed, and no service interruption is reported.

CVSS severity7.7
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient session expiration in Sagemcom F@ST 3686 Vodafone firmware before FAST3686_ONO-SIP_3.709.2 allows local users to access the admin panel. Login.asp and logout.asp mishandle session details by preserving authorization after logout or the intended timeout. Local access to the router is required; no login credentials or user interaction are needed, and no service interruption is reported.

The record

CVE
CVE-2024-1623
Published
Mar 14, 2024
Updated
Aug 28, 2024
Vendor
Sagemcom
Product
F@ST 3686 Vodafone
Classifications
CWE-613, T1078
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 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=0 <FAST3686_ONO-SIP_3.709.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Sagemcom · F@ST 3686 Vodafoneversion=0 <FAST3686_ONO-SIP_3.709.2

Published CVSS scores

7.7INCIBECVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-613Insufficient Session Expiration
T1078Valid Accounts

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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