CVE-2021-45557

HIGH

8.8

CVSS Score

Published: December 26, 2021 at 12:50 AM UTC

Updated: June 17, 2026 at 04:13 AM UTC

40 products affected across 1 vendorGS752TPP FirmwareGS724TPP FirmwareMS510TXUP Firmware

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Severity

HIGH8.8

Exploit prediction

EPSS 1%

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects GC108P before 1.0.8.2, GC108PP before 1.0.8.2, GS108Tv3 before 7.0.7.2, GS110TPv3 before 7.0.7.2, GS110TPP before 7.0.7.2, GS110TUP before 1.0.5.3, GS710TUP before 1.0.5.3, GS308T before 1.0.3.2, GS310TP before 1.0.3.2, GS710TUP before 1.0.5.3, GS716TP before 1.0.4.2, GS716TPP before 1.0.4.2, GS724TPP before 2.0.6.3, GS724TPv2 before 2.0.6.3, GS724TPP before 2.0.6.3, GS728TPPv2 before 6.0.8.2, GS728TPv2 before 6.0.8.2, GS752TPv2 before 6.0.8.2, GS752TPP before 6.0.8.2, GS750E before 1.0.1.10, MS510TXM before 1.0.4.2, and MS510TXUP before 1.0.4.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GC108P Firmware · NETGEAR

95%

v < 1.0.8.2

Affected range stops below 1.0.8.2, so it looks safe — our inference, not a vendor statement

netgear-gc108p (same device)

GC108PP Firmware · NETGEAR

95%

v < 1.0.8.2

Affected range stops below 1.0.8.2, so it looks safe — our inference, not a vendor statement

netgear-gc108pp (same device)

GS108TV3 Firmware · NETGEAR

95%

v < 7.0.7.2

Affected range stops below 7.0.7.2, so it looks safe — our inference, not a vendor statement

netgear-gs108tv3 (same device)

GS110TPP Firmware · NETGEAR

95%

v < 7.0.7.2

Affected range stops below 7.0.7.2, so it looks safe — our inference, not a vendor statement

netgear-gs110tpp (same device)

GS110TPV3 Firmware · NETGEAR

95%

v < 7.0.7.2

Affected range stops below 7.0.7.2, so it looks safe — our inference, not a vendor statement

netgear-gs110tpv3 (same device)

GS110TUP Firmware · NETGEAR

95%

v < 1.0.5.3

Affected range stops below 1.0.5.3, so it looks safe — our inference, not a vendor statement

netgear-gs110tup (same device)

GS308T Firmware · NETGEAR

95%

v < 1.0.3.2

Affected range stops below 1.0.3.2, so it looks safe — our inference, not a vendor statement

netgear-gs308t (same device)

GS310TP Firmware · NETGEAR

95%

v < 1.0.3.2

Affected range stops below 1.0.3.2, so it looks safe — our inference, not a vendor statement

netgear-gs310tp (same device)

GS710TUP Firmware · NETGEAR

95%

v < 1.0.5.3

Affected range stops below 1.0.5.3, so it looks safe — our inference, not a vendor statement

netgear-gs710tup (same device)

GS716TP Firmware · NETGEAR

95%

v < 1.0.4.2

Affected range stops below 1.0.4.2, so it looks safe — our inference, not a vendor statement

netgear-gs716tp (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.netgear.com/000064164/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Switches-PSV-2021-0167

References (1)

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://kb.netgear.com/000064164/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Switches-PSV-2021-0167

CVSS

8.8HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-77

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