How severe is CVE-2019-20697?

CVE-2019-20697 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20697?

CVE-2019-20697 primarily affects Netgear Gs728tpp Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20697?

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-2019-20697 published?

CVE-2019-20697 was published on 2020-04-16 and last updated on 2026-06-17.

CVE-2019-20697

CVE-2019-20697 is a high-severity vulnerability in Netgear Gs728tpp Firmware with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Netgear Gs728tpp Firmware
Published: 2020-04-16
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects GS728TPPv2 before 6.0.0.48, GS728TPv2 before 6.0.0.48, GS750E before 1.0.1.4, GS752TPP before 6.0.0.48, and GS752TPv2 before 6.0.0.48.

Frequently asked questions

What is CVE-2019-20697?: Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects GS728TPPv2 before 6.0.0.48, GS728TPv2 before 6.0.0.48, GS750E before 1.0.1.4, GS752TPP before 6.0.0.48, and GS752TPv2 before 6.0.0.48.
How severe is CVE-2019-20697?: CVE-2019-20697 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20697?: CVE-2019-20697 primarily affects Netgear Gs728tpp Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20697?: 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-2019-20697 published?: CVE-2019-20697 was published on 2020-04-16 and last updated on 2026-06-17.

References

https://kb.netgear.com/000061232/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Switches-PSV-2019-0066

Affected products (5)

cpe:2.3:o:netgear:gs728tpp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:gs728tp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:gs750e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:gs752tpp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:gs752tp_firmware:*:*:*:*:*:*:*:*

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