CVE-2018-21122
CVE-2018-21122 is a medium-severity vulnerability in Netgear Gs110emx Firmware with a CVSS 3.x base score of 6.5. 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-20.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 3.3
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Netgear Gs110emx Firmware
- Published:
- Last modified:
Description
Certain NETGEAR devices are affected by denial of service. This affects GS110EMX before 1.0.0.9, GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.
Frequently asked questions
- What is CVE-2018-21122?
- Certain NETGEAR devices are affected by denial of service. This affects GS110EMX before 1.0.0.9, GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.
- How severe is CVE-2018-21122?
- CVE-2018-21122 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-21122 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-21122?
- CVE-2018-21122 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-2018-21122?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-21122 published?
- CVE-2018-21122 was published on 2020-04-22 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-2020-26921 — High (CVSS 8.3): Certain NETGEAR devices are affected by authentication bypass. This affects GS110EMX before 1.0.1.7, 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…
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