NETGEAR r6850 Firmware vulnerabilities

27 CVEs affecting NETGEAR r6850 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-12942, published 2025-11-11.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-30568, published 2024-04-03. Critical severity, CVSS 9.8. EPSS: 46.9% chance of exploitation in the next 30 days. Netgear R6850 1.1.0.88 was discovered to contain a command injection vulnerability via the c4-IPAddr parameter.
CVE-2021-45511, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 17.6% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08-27, D7000 before 2021-08-27, R6220 before…
CVE-2024-30571, published 2024-04-03. High severity, CVSS 7.5. EPSS: 13.8% chance of exploitation in the next 30 days. An information leak in the BRS_top.html component of Netgear R6850 v1.1.0.88 allows attackers to obtain sensitive information without any authentication required.
CVE-2020-27866, published 2021-02-12. High severity, CVSS 8.8. EPSS: 8.7% chance of exploitation in the next 30 days. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020,…
CVE-2021-34865, published 2022-01-25. High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The…
CVE-2020-27867, published 2021-02-12. Medium severity, CVSS 6.8. EPSS: 2.2% chance of exploitation in the next 30 days. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210,…
CVE-2024-30569, published 2024-04-03. High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days. An information leak in currentsetting.htm of Netgear R6850 v1.1.0.88 allows attackers to obtain sensitive information without any authentication required.
CVE-2021-45501, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by authentication bypass. This affects AC2400 before 1.1.0.84, AC2600 before 1.1.0.84, D7000 before 1.0.1.82, R6020 before 1.0.0.52, R6080 before 1.0.0.52, R6120…
CVE-2020-35800, published 2020-12-30. Critical severity, CVSS 9.4. EPSS: 1.6% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72, AC2600 before 1.2.0.72, CBK40 before 2.5.0.10, CBR40…
CVE-2024-30572, published 2024-04-03. High severity, CVSS 8.0. EPSS: 1.5% chance of exploitation in the next 30 days. Netgear R6850 1.1.0.88 was discovered to contain a command injection vulnerability via the ntp_server parameter.

Latest

CVE-2025-12942, published 2025-11-11. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Improper Input Validation vulnerability in NETGEAR R6260 and NETGEAR R6850 allows unauthenticated attackers connected to LAN with ability to perform MiTM attacks and control over DNS Server to…
CVE-2024-30570, published 2024-04-03. Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days. An information leak in debuginfo.htm of Netgear R6850 v1.1.0.88 allows attackers to obtain sensitive information without any authentication required.
CVE-2021-45675, published 2021-12-26. Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by stored XSS. This affects R6120 before 1.0.0.76, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before…
CVE-2021-45672, published 2021-12-26. Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by Stored XSS. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.48, R6080 before 1.0.0.48, R6120 before 1.0.0.76, R6220 before…
CVE-2021-45647, published 2021-12-26. High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EAX80 before 1.0.1.62, EX7000 before 1.0.1.104, R6120 before 1.0.0.76, R6220 before 1.1.0.110, R6230 before…