CVE-2021-45573
HIGH
8.8
CVSS Score
Published: December 26, 2021 at 12:46 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
16 products affected across 1 vendorR6700 FirmwareR6800 FirmwareR6900 Firmware
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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
netgear-ac2100 (same device)
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
netgear-ac2400 (same device)
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
netgear-ac2600 (same device)
v < 1.1.0.76
Affected range stops below 1.1.0.76, so it looks safe — our inference, not a vendor statement
netgear-r6260 (same device)
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
netgear-r6700 (same device)
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
netgear-r6800 (same device)
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
netgear-r7450 (same device)
v < 1.2.0.62
Affected range stops below 1.2.0.62, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://kb.netgear.com/000064095/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0081CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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