TI-2021-20682 Aliases CVE-2021-45595 GHSA-r5jx-cqpf-rwcx

Certain NETGEAR devices are affected by command injection by an authenticated user.

MEDIUM 41CWE-77Published 2021-12-26 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
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-77.

Summary

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Why it matters now

EPSS 0.0167 76th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 28

CPE	Versions	Role	Vendor
cpe:2.3:o:netgear:lbr20_firmware::::::::	before 2.6.3.50	Vulnerable	NETGEAR
cpe:2.3:h:netgear:lbr20:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbs50y_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbs50y:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbr10_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbr10:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbr20_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbr20:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbr40_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbr40:-:::::::*	not specified by NVD	Running on	NETGEAR

cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:* Versions before 2.6.3.50 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:lbr20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbr10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR

Show 18 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:netgear:rbr50_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbr50:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbs10_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbs10:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbs20_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbs20:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbs40_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbs40:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbs50_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbs50:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbk12_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbk12:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbk20_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbk20:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbk40_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbk40:-:::::::*	not specified by NVD	Running on	NETGEAR
cpe:2.3:o:netgear:rbk50_firmware::::::::	before 2.7.3.22	Vulnerable	NETGEAR
cpe:2.3:h:netgear:rbk50:-:::::::*	not specified by NVD	Running on	NETGEAR

cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbs10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* Versions before 2.7.3.22 Vulnerable ·NETGEAR
cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-45595
2026-10-03 Alias added: GHSA-r5jx-cqpf-rwcx

References

Advisory 1

https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462

TI-2021-20706 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
TI-2021-20705 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
TI-2022-10627 Stack-based buffer overflow in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
TI-2021-13937 Out-of-bounds write in NETGEAR R7800 CVSS 3.0HIGH 8.8
TI-2021-08795 Missing authentication in NETGEAR R7800 CVSS 3.1HIGH 8.8
TI-2021-08793 Heap-based buffer overflow in NETGEAR R7800 CVSS 3.1HIGH 8.8

See all 17 →

Sources

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