CVE-2021-45556
What it is
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.
At a glance
- Exploitability
- Can be exploited from the same network segment with an admin-level account. High risk of data tampering, service disruption.
- Exploit odds
- 1.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.2% · EPSS, next 30 days
- Weakness
- CWE-77 · Command injection
- Record status
- Modified
Affected
- Netgear gs108tv2 Firmware < 5.4.2.36
- Netgear gs110tpp Firmware < 7.0.7.2
- Netgear gs110tpv2 Firmware < 5.4.2.36
- Netgear gs308t Firmware < 1.0.3.2
- Netgear gs110tpv3 Firmware < 7.0.7.2
- Netgear gs310tp Firmware < 1.0.3.2
- Netgear gs724tpp Firmware < 2.0.6.3
- Netgear gs724tpv2 Firmware < 2.0.6.3
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-45556.md and follow it. Check whether this project is affected by CVE-2021-45556. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://kb.netgear.com/000064534/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Smart-Managed-Pro-Switches-PSV-2021-0175
- https://kb.netgear.com/000064534/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Smart-Managed-Pro-Switches-PSV-2021-0175