How severe is CVE-2024-1623?

CVE-2024-1623 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-1623 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-1623?

CVE-2024-1623 affects Sagemcom F@st 3686 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-1623?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-1623 have an EU (EUVD) identifier?

Yes. CVE-2024-1623 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17363.

When was CVE-2024-1623 published?

CVE-2024-1623 was published on 2024-03-14 and last updated on 2026-06-17.

CVE-2024-1623

CVE-2024-1623 is a high-severity vulnerability in Sagemcom F@st 3686 Firmware with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-17363
Weakness: CWE-613
Affected product: Sagemcom F@st 3686 Firmware
Published: 2024-03-14
Last modified: 2026-06-17

Description

Insufficient session timeout vulnerability in the FAST3686 V2 Vodafone router from Sagemcom. This vulnerability could allow a local attacker to access the administration panel without requiring login credentials. This vulnerability is possible because the 'Login.asp and logout.asp' files do not handle session details correctly.

Frequently asked questions

What is CVE-2024-1623?: Insufficient session timeout vulnerability in the FAST3686 V2 Vodafone router from Sagemcom. This vulnerability could allow a local attacker to access the administration panel without requiring login credentials. This vulnerability is possible because the 'Login.asp and logout.asp' files do not handle session details correctly.
How severe is CVE-2024-1623?: CVE-2024-1623 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-1623 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-1623?: CVE-2024-1623 affects Sagemcom F@st 3686 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-1623?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-1623 have an EU (EUVD) identifier?: Yes. CVE-2024-1623 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17363.
When was CVE-2024-1623 published?: CVE-2024-1623 was published on 2024-03-14 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/insufficient-session-timeout-vulnerability-sagemcom-router

Affected products (1)

cpe:2.3:o:sagemcom:f\@st_3686_firmware:*:*:*:*:*:*:*:*

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