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TI-2021-20599 Aliases CVE-2021-45512GHSA-59h7-2c4x-36qm

Certain NETGEAR devices are affected by weak cryptography.

Priority MEDIUM 43CWE-327Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-327.

Summary

Certain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900P before 1.3.2.124, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RS400 before 1.5.0.48, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.

Why it matters now

EPSS 0.00567 47th percentileScored 2026-11-08
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 · 42

CPEVersionsRoleVendor
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*before 1.0.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:d7000:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*before 1.0.3.50VulnerableNETGEAR
cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*before 1.0.0.84VulnerableNETGEAR
cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*before 1.0.0.84VulnerableNETGEAR
cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*before 1.0.0.54VulnerableNETGEAR
cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d7000:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.50 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.84 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.54 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 32 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*before 1.0.0.36VulnerableNETGEAR
cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*before 1.0.1.90VulnerableNETGEAR
cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:*before 1.0.4.42VulnerableNETGEAR
cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*before 1.0.4.98VulnerableNETGEAR
cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*before 1.0.4.98VulnerableNETGEAR
cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:*v3Running onNETGEAR
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*before 1.3.2.124VulnerableNETGEAR
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*before 1.0.11.106VulnerableNETGEAR
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*before 1.3.2.124VulnerableNETGEAR
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*before 1.0.0.56VulnerableNETGEAR
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*before 1.0.4.26VulnerableNETGEAR
cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*before 1.0.4.58VulnerableNETGEAR
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*before 1.0.2.134VulnerableNETGEAR
cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*before 1.0.2.134VulnerableNETGEAR
cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*before 1.5.0.48VulnerableNETGEAR
cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:*before 1.2.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:wnr3500l:v2:*:*:*:*:*:*:*v2Running 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:ex6130_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.36 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.90 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.42 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.98 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.98 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.2.124 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.11.106 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.2.124 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.56 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.26 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.58 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.134 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.134 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:* Versions before 1.5.0.48 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wnr3500l:v2:*:*:*:*:*:*:* Versions v2 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

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45512
  2. 2026-10-03 Alias added: GHSA-59h7-2c4x-36qm

References

  • TI-2016-08250 The NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-20598 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2021-20588 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2021-20584 NETGEAR D7000 devices before 1.0.1.82 are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2021-20583 NETGEAR D7000 devices before 1.0.1.82 are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
See all 91 →

Sources