How severe is CVE-2020-11551?

CVE-2020-11551 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-2020-11551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11551?

CVE-2020-11551 primarily affects Netgear Rbs50y Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11551?

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-2020-11551 published?

CVE-2020-11551 was published on 2020-05-18 and last updated on 2026-06-17.

CVE-2020-11551

CVE-2020-11551 is a high-severity vulnerability in Netgear Rbs50y 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Netgear Rbs50y Firmware
Published: 2020-05-18
Last modified: 2026-06-17

Description

An issue was discovered on NETGEAR Orbi Tri-Band Business WiFi Add-on Satellite (SRS60) AC3000 V2.5.1.106, Outdoor Satellite (RBS50Y) V2.5.1.106, and Pro Tri-Band Business WiFi Router (SRR60) AC3000 V2.5.1.106. The administrative SOAP interface allows an unauthenticated remote write of arbitrary Wi-Fi configuration data such as authentication details (e.g., the Web-admin password), network settings, DNS settings, system administration interface configuration, etc.

Frequently asked questions

What is CVE-2020-11551?: An issue was discovered on NETGEAR Orbi Tri-Band Business WiFi Add-on Satellite (SRS60) AC3000 V2.5.1.106, Outdoor Satellite (RBS50Y) V2.5.1.106, and Pro Tri-Band Business WiFi Router (SRR60) AC3000 V2.5.1.106. The administrative SOAP interface allows an unauthenticated remote write of arbitrary Wi-Fi configuration data such as authentication details (e.g., the Web-admin password), network settings, DNS settings, system administration interface configuration, etc.
How severe is CVE-2020-11551?: CVE-2020-11551 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-2020-11551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11551?: CVE-2020-11551 primarily affects Netgear Rbs50y Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11551?: 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-2020-11551 published?: CVE-2020-11551 was published on 2020-05-18 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:netgear:rbs50y_firmware:2.5.1.106:*:*:*:*:*:*:*
cpe:2.3:o:netgear:srr60_firmware:2.5.1.106:*:*:*:*:*:*:*
cpe:2.3:o:netgear:srs60_firmware:2.5.1.106:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
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