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TI-2021-20726 Aliases CVE-2021-45639GHSA-fgjf-8pq6-h3gr

Certain NETGEAR devices are affected by reflected XSS.

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Certain NETGEAR devices are affected by reflected XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.32, EAX80 before 1.0.1.62, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7000 before 1.0.1.104, EX7500 before 1.0.0.72, R7000 before 1.0.11.110, R7900 before 1.0.4.30, R7960P before 1.4.1.66, R8000 before 1.0.4.62, RAX200 before 1.0.2.102, XR300 before 1.0.3.50, EX3700 before 1.0.0.90, MR60 before 1.0.5.102, R7000P before 1.3.2.126, R8000P before 1.4.1.66, RAX20 before 1.0.1.64, RAX50 before 1.0.2.28, RAX80 before 1.0.3.102, EX3800 before 1.0.0.90, MS60 before 1.0.5.102, R6900P before 1.3.2.126, R7900P before 1.4.1.66, RAX15 before 1.0.1.64, RAX45 before 1.0.2.28, RAX75 before 1.0.3.102, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

Why it matters now

EPSS 0.00624 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 66

CPEVersionsRoleVendor
cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*before 2.5.0.10VulnerableNETGEAR
cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:eax20_firmware:*:*:*:*:*:*:*:*before 1.0.0.32VulnerableNETGEAR
cpe:2.3:h:netgear:eax20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:eax80_firmware:*:*:*:*:*:*:*:*before 1.0.1.62VulnerableNETGEAR
cpe:2.3:h:netgear:eax80:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*before 1.0.0.64VulnerableNETGEAR
cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*before 1.0.0.44VulnerableNETGEAR
cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* Versions before 2.5.0.10 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:eax20_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.32 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:eax20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:eax80_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:eax80:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.64 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.44 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 56 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*before 1.0.1.104VulnerableNETGEAR
cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:*before 1.0.0.72VulnerableNETGEAR
cpe:2.3:h:netgear:ex7500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*before 1.0.11.110VulnerableNETGEAR
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*before 1.0.4.30VulnerableNETGEAR
cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*before 1.4.1.66VulnerableNETGEAR
cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*before 1.0.4.62VulnerableNETGEAR
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*before 1.0.2.102VulnerableNETGEAR
cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*before 1.0.3.50VulnerableNETGEAR
cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*before 1.0.0.90VulnerableNETGEAR
cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:*before 1.0.5.102VulnerableNETGEAR
cpe:2.3:h:netgear:mr60:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*before 1.3.2.126VulnerableNETGEAR
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*before 1.4.1.66VulnerableNETGEAR
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*before 1.0.1.64VulnerableNETGEAR
cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*before 1.0.2.28VulnerableNETGEAR
cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*before 1.0.3.102VulnerableNETGEAR
cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*before 1.0.0.90VulnerableNETGEAR
cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:*before 1.0.5.102VulnerableNETGEAR
cpe:2.3:h:netgear:ms60:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*before 1.3.2.126VulnerableNETGEAR
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*before 1.4.1.66VulnerableNETGEAR
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*before 1.0.1.64VulnerableNETGEAR
cpe:2.3:h:netgear:rax15:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*before 1.0.2.28VulnerableNETGEAR
cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*before 1.0.3.102VulnerableNETGEAR
cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*before 3.2.16.6VulnerableNETGEAR
cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*before 3.2.16.6VulnerableNETGEAR
cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*before 3.2.16.6VulnerableNETGEAR
cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*before 3.2.16.6VulnerableNETGEAR
cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*before 3.2.16.6VulnerableNETGEAR
cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*before 3.2.16.6VulnerableNETGEAR
cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.104 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.72 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex7500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.11.110 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.30 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.1.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.50 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.90 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:mr60:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.2.126 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.1.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.64 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.28 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.90 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ms60:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.2.126 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.1.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.64 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax15:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.28 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* Versions before 3.2.16.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* Versions before 3.2.16.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* Versions before 3.2.16.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* Versions before 3.2.16.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* Versions before 3.2.16.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* Versions before 3.2.16.6 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45639
  2. 2026-10-03 Alias added: GHSA-fgjf-8pq6-h3gr
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2024-18843 An information leak in the currentsetting.htm component of Netgear CBR40 2.5.0.28… CVSS 3.1HIGH 7.5
  • TI-2024-18842 An information leak in the debuginfo.htm component of Netgear CBR40 2.5.0.28, Netgear… CVSS 3.1MEDIUM 5.4
  • TI-2023-18149 Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote… CVSS 3.1CRITICAL 9.8
  • TI-2021-20709 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20699 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-20717 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 10.0
See all 47 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences