CVE-2021-45556

HIGH

8.8

CVSS Score

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

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

28 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 GS108Tv2 before 5.4.2.36, GS110TPP before 7.0.7.2, GS110TPv2 before 5.4.2.36., GS110TPv3 before 7.0.7.2, GS308T before 1.0.3.2, GS310TP before 1.0.3.2, GS724TPP before 2.0.6.3, GS724TPv2 before 2.0.6.3, GS728TPPv2 before 6.0.8.2, GS728TPv2 before 6.0.8.2, GS752TPP before 6.0.8.2, GS752TPv2 before 6.0.8.2, 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.

GS108TV2 Firmware · NETGEAR

95%

v < 5.4.2.36

Affected range stops below 5.4.2.36, so it looks safe — our inference, not a vendor statement

netgear-gs108tv2 (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)

GS110TPV2 Firmware · NETGEAR

95%

v < 5.4.2.36

Affected range stops below 5.4.2.36, so it looks safe — our inference, not a vendor statement

netgear-gs110tpv2 (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)

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)

GS724TPP Firmware · NETGEAR

95%

v < 2.0.6.3

Affected range stops below 2.0.6.3, so it looks safe — our inference, not a vendor statement

netgear-gs724tpp (same device)

GS724TPV2 Firmware · NETGEAR

95%

v < 2.0.6.3

Affected range stops below 2.0.6.3, so it looks safe — our inference, not a vendor statement

netgear-gs724tpv2 (same device)

GS728TPPV2 Firmware · NETGEAR

95%

v < 6.0.8.2

Affected range stops below 6.0.8.2, so it looks safe — our inference, not a vendor statement

netgear-gs728tppv2 (same device)

GS728TPV2 Firmware · NETGEAR

95%

v < 6.0.8.2

Affected range stops below 6.0.8.2, so it looks safe — our inference, not a vendor statement

netgear-gs728tpv2 (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/000064534/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Smart-Managed-Pro-Switches-PSV-2021-0175

References (1)

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://kb.netgear.com/000064534/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Smart-Managed-Pro-Switches-PSV-2021-0175

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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