How severe is CVE-2019-6015?

CVE-2019-6015 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-6015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6015?

CVE-2019-6015 primarily affects Fon Fon2601e-se Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6015?

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.

When was CVE-2019-6015 published?

CVE-2019-6015 was published on 2019-10-04 and last updated on 2026-06-17.

CVE-2019-6015

CVE-2019-6015 is a high-severity vulnerability in Fon Fon2601e-se Firmware with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Fon Fon2601e-se Firmware
Published: 2019-10-04
Last modified: 2026-06-17

Description

FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities.

Frequently asked questions

What is CVE-2019-6015?: FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities.
How severe is CVE-2019-6015?: CVE-2019-6015 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-6015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6015?: CVE-2019-6015 primarily affects Fon Fon2601e-se Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6015?: 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.
When was CVE-2019-6015 published?: CVE-2019-6015 was published on 2019-10-04 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:fon:fon2601e-se_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fon:fon2601e-re_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fon:fon2601e-fsw-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fon:fon2601e-fsw-b_firmware:*:*:*:*:*:*:*:*

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