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Vulnerability record · CVE-2021-45674 · published 26 December 2021

CVE-2021-45674: Netgear r7000 firmware cross-site scripting vulnerability

Netgear · R7000 Firmware

Certain NETGEAR devices are affected by stored XSS. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

4.8 CVSS 3.1 Medium EPSS 0.42% · top 66.1% CWE-79 · Cross-site scripting
4.8CVSS 3.1 base score, v2 3.5
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Certain NETGEAR devices are affected by stored XSS. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000064077/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0017 PatchVendor Advisory
https://kb.netgear.com/000064077/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0017 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2016-6277NETGEAR router cgi-bin command injection allows remote code executionMultiple NETGEAR router models fail to sanitize shell metacharacters in the path info passed to cgi-bin/, allowing remote command execution. The flaw…KEVEPSS 100%analysed9.8CVE-2023-36187Netgear cbr40 firmware classic buffer overflow vulnerabilityBuffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via craf…EPSS 1.1%9.8CVE-2022-48196Netgear rax40 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX40 before 1.0.2.60, RAX35 before 1.0.2.60, …EPSS 0.94%9.8CVE-2022-37235Netgear r7000 firmware out-of-bounds write vulnerabilityNetgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119 is vulnerable to Buffer Overflow via the wl binary in firmwar…EPSS 1.2%9.8CVE-2021-34236Netgear r8000 firmware classic buffer overflow vulnerabilityBuffer Overflow in Netgear R8000 Router with firmware v1.0.4.56 allows remote attackers to execute arbitrary code or cause a denial-of-service by sen…EPSS 1.5%9.8CVE-2021-45638Netgear d6220 firmware out-of-bounds write vulnerabilityCertain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 befor…EPSS 1.5%9.8CVE-2021-45609Netgear d8500 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, …EPSS 1.2%9.8CVE-2021-45620Netgear cbr40 firmware command injection vulnerabilityCertain 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, …EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2021-45674), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.