NETGEAR r6400v2 Firmware vulnerabilities

49 CVEs affecting NETGEAR r6400v2 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-9210, published 2026-06-09.

Highest priority

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

CVE-2021-40847, published 2021-09-21. High severity, CVSS 8.1. EPSS: 10% chance of exploitation in the next 30 days. The update process of the Circle Parental Control Service on various NETGEAR routers allows remote attackers to achieve remote code execution as root via a MitM attack. While the parental controls…
CVE-2021-34991, published 2021-11-15. High severity, CVSS 8.8. EPSS: 5.7% chance of exploitation in the next 30 days. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this…
CVE-2021-45608, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days. Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attacker. Remote code execution from the WAN interface (TCP port…
CVE-2021-45612, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68,…
CVE-2021-45622, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68,…
CVE-2021-45617, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX7500 before 1.0.0.72,…
CVE-2021-45621, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 3.2.18.2, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68,…
CVE-2021-45620, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68,…
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-2021-45610, published 2021-12-26. Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days. Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58,…

Latest

CVE-2026-9210, published 2026-06-09. Medium severity, CVSS 4.5. EPSS: 0.3% chance of exploitation in the next 30 days. Insufficient input validation vulnerability in the listed NETGEAR models allows authenticated administrators connected to the local network to make unauthorized modification of router software and…
CVE-2026-0417, published 2026-06-09. Medium severity, CVSS 4.5. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient input validation vulnerability in the listed NETGEAR devices allows authenticated administrators connected to the local network to tamper with the router's integrity.
CVE-2024-52026, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days. Netgear XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 was discovered to contain a stack overflow via the pppoe_localip parameter at bsw_pppoe.cgi. This vulnerability allows attackers to…
CVE-2024-52025, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days. Netgear XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 was discovered to contain a stack overflow via the pppoe_localip parameter at geniepppoe.cgi. This vulnerability allows attackers to…
CVE-2024-52024, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days. Netgear XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 was discovered to contain a stack overflow via the pppoe_localip parameter at wizpppoe.cgi. This vulnerability allows attackers to…
CVE-2024-52023, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days. Netgear XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 was discovered to contain a stack overflow via the pppoe_localip parameter at pppoe2.cgi. This vulnerability allows attackers to…
CVE-2024-52022, published 2024-11-05. High severity, CVSS 8.0. EPSS: 1% chance of exploitation in the next 30 days. Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a command injection vulnerability in the component wlg_adv.cgi via the apmode_gateway…
CVE-2024-52016, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.4% chance of exploitation in the next 30 days. Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to multiple stack overflow vulnerabilities in the component wlg_adv.cgi via the apmode_dns1_pri…
CVE-2024-52015, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days. Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a stack overflow via the pptp_user_ip parameter at bsw_pptp.cgi. This vulnerability…
CVE-2024-52014, published 2024-11-05. Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days. Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a stack overflow via the pptp_user_ip parameter at genie_pptp.cgi. This vulnerability…