How severe is CVE-2024-39815?

CVE-2024-39815 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39815?

CVE-2024-39815 primarily affects Vonets Var1200-h Firmware. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-39815?

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

Does CVE-2024-39815 have an EU (EUVD) identifier?

Yes. CVE-2024-39815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38244.

When was CVE-2024-39815 published?

CVE-2024-39815 was published on 2024-08-12 and last updated on 2026-06-17.

CVE-2024-39815

CVE-2024-39815 is a critical-severity vulnerability in Vonets Var1200-h Firmware with a CVSS 3.x base score of 9.1. 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-703.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 9.4
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38244
Weakness: CWE-703
Affected product: Vonets Var1200-h Firmware
Published: 2024-08-12
Last modified: 2026-06-17

Description

Improper check or handling of exceptional conditions vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge repeaters, software versions 3.3.23.6.9 and prior, enable an unauthenticated remote attacker to cause a denial of service. A specially-crafted HTTP request to pre-authentication resources can crash the service.

Frequently asked questions

What is CVE-2024-39815?: Improper check or handling of exceptional conditions vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge repeaters, software versions 3.3.23.6.9 and prior, enable an unauthenticated remote attacker to cause a denial of service. A specially-crafted HTTP request to pre-authentication resources can crash the service.
How severe is CVE-2024-39815?: CVE-2024-39815 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39815?: CVE-2024-39815 primarily affects Vonets Var1200-h Firmware. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-39815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-39815 have an EU (EUVD) identifier?: Yes. CVE-2024-39815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38244.
When was CVE-2024-39815 published?: CVE-2024-39815 was published on 2024-08-12 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-214-08

Affected products (14)

cpe:2.3:o:vonets:var1200-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:var1200-l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:var600-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11g-500s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vbg1200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11s-5g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:var11n-300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11g-300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11n-300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vap11g-500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:vonets:vga-1000_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Vonets Var1200-h Firmware

CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…
CVE-2024-37023 — Critical (CVSS 9.1): Multiple OS command injection vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…
CVE-2024-42001 — High (CVSS 8.6): An improper authentication vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge…
CVE-2024-29082 — High (CVSS 8.6): Improper access control vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge repeaters,…
CVE-2024-41936 — High (CVSS 7.5): A directory traversal vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge repeaters, software…
CVE-2024-41161 — High (CVSS 7.5): Use of hard-coded credentials vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge repeaters,…

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