CVE-2020-26921
CVE-2020-26921 is a high-severity vulnerability in Netgear Gs110emx Firmware with a CVSS 3.x base score of 8.3. 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 8.3)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Netgear Gs110emx Firmware
- Published:
- Last modified:
Description
Certain NETGEAR devices are affected by authentication bypass. This affects GS110EMX before 1.0.1.7, GS810EMX before 1.7.1.3, XS512EM before 1.0.1.3, and XS724EM before 1.0.1.3.
Frequently asked questions
- What is CVE-2020-26921?
- Certain NETGEAR devices are affected by authentication bypass. This affects GS110EMX before 1.0.1.7, GS810EMX before 1.7.1.3, XS512EM before 1.0.1.3, and XS724EM before 1.0.1.3.
- How severe is CVE-2020-26921?
- CVE-2020-26921 has a CVSS 3.x base score of 8.3, 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 low, integrity high, and availability high.
- Is CVE-2020-26921 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-26921?
- CVE-2020-26921 primarily affects Netgear Gs110emx 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-2020-26921?
- 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-2020-26921 published?
- CVE-2020-26921 was published on 2020-10-09 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:o:netgear:gs110emx_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:gs810emx_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:xs512em_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:xs724em_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Netgear Gs110emx Firmware
- CVE-2018-21122 — Medium (CVSS 6.5): Certain NETGEAR devices are affected by denial of service. This affects GS110EMX before 1.0.0.9, GS810EMX before…
- CVE-2019-20658 — Medium (CVSS 6.5): Certain NETGEAR devices are affected by disclosure of sensitive information. This affects FS728TLP before 1.0.1.26,…
- CVE-2019-20676 — Medium (CVSS 6.0): Certain NETGEAR devices are affected by lack of access control at the function level. This affects FS728TLP before…
All CVEs affecting Netgear Gs110emx Firmware →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
- CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
- CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
- CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
- CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
- CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…
Browse all CWE-287 (Improper Authentication) vulnerabilities →