CVE-2021-45556
7.5 · HIGHOverview
CVE-2021-45556 is a high-severity vulnerability affecting netgear gs108tv2_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from netgear. Update gs108tv2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| netgear | gs108tv2_firmware | >= 0, < 5.4.2.36 | Affected |
| netgear | gs110tpp_firmware | >= 0, < 7.0.7.2 | Affected |
| netgear | gs110tpv2_firmware | >= 0, < 5.4.2.36 | Affected |
| netgear | gs308t_firmware | >= 0, < 1.0.3.2 | Affected |
| netgear | gs110tpv3_firmware | >= 0, < 7.0.7.2 | Affected |
| netgear | gs310tp_firmware | >= 0, < 1.0.3.2 | Affected |
| netgear | gs724tpp_firmware | >= 0, < 2.0.6.3 | Affected |
| netgear | gs724tpv2_firmware | >= 0, < 2.0.6.3 | Affected |
| netgear | gs728tppv2_firmware | >= 0, < 6.0.8.2 | Affected |
| netgear | gs728tpv2_firmware | >= 0, < 6.0.8.2 | Affected |
Frequently Asked Questions
What is CVE-2021-45556?
CVE-2021-45556 is a high-severity vulnerability affecting netgear gs108tv2_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-45556?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-45556?
Check the references section for vendor advisories and patches from netgear. Update gs108tv2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-45556?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45556 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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