CVE & CISA-KEV Catalog

CVE-2021-45556

HIGH
7.5
CVSS v3
NVD

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.

CWE-77Command Injection

How to fix

Remediation Available
gs108tv2 firmwareNVD
Affected:< 5.4.2.36Fixed in:5.4.2.36CVE-2021-45556derived from NVD
gs110tpp firmwareNVD
Affected:< 7.0.7.2Fixed in:7.0.7.2CVE-2021-45556derived from NVD
gs110tpv2 firmwareNVD
Affected:< 5.4.2.36Fixed in:5.4.2.36CVE-2021-45556derived from NVD
gs110tpv3 firmwareNVD
Affected:< 7.0.7.2Fixed in:7.0.7.2CVE-2021-45556derived from NVD
gs308t firmwareNVD
Affected:< 1.0.3.2Fixed in:1.0.3.2CVE-2021-45556derived from NVD
gs310tp firmwareNVD
Affected:< 1.0.3.2Fixed in:1.0.3.2CVE-2021-45556derived from NVD
gs724tpp firmwareNVD
Affected:< 2.0.6.3Fixed in:2.0.6.3CVE-2021-45556derived from NVD
gs724tpv2 firmwareNVD
Affected:< 2.0.6.3Fixed in:2.0.6.3CVE-2021-45556derived from NVD
gs728tppv2 firmwareNVD
Affected:< 6.0.8.2Fixed in:6.0.8.2CVE-2021-45556derived from NVD
gs728tpv2 firmwareNVD
Affected:< 6.0.8.2Fixed in:6.0.8.2CVE-2021-45556derived from NVD
gs752tpp firmwareNVD
Affected:< 6.0.8.2Fixed in:6.0.8.2CVE-2021-45556derived from NVD
gs752tpv2 firmwareNVD
Affected:< 6.0.8.2Fixed in:6.0.8.2CVE-2021-45556derived from NVD
ms510txm firmwareNVD
Affected:< 1.0.4.2Fixed in:1.0.4.2CVE-2021-45556derived from NVD
ms510txup firmwareNVD
Affected:< 1.0.4.2Fixed in:1.0.4.2CVE-2021-45556derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityLow
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:H

Exploit Intelligence

1.22%probability of exploitation in 30 days
65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2024-21887Critical9.1100%KEV + Ransom-
CVE-2023-1671Critical9.8100%KEVFix
CVE-2023-1389High8.8100%KEVFix
CVE-2021-1498Critical9.8100%KEVFix
CVE-2012-1823Critical9.8100%KEVFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.