# Sma 210 Firmware vulnerabilities > Sma 210 Firmware is made by SonicWall. We track 30 published vulnerabilities in it, across 19 versions. 5 of them are on the list of flaws known to be exploited, the newest added on 1 May 2025. If you run Sma 210 Firmware, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/sonicwall/sma_210_firmware ## At a glance - **Made by:** [SonicWall](https://www.precursorintelligence.com/vendors/sonicwall) - **Published vulnerabilities:** 30 - **Known to be exploited:** 5 - **Versions tracked:** 19 - **Most recently added to the known-exploited list:** [CVE-2023-44221](https://www.precursorintelligence.com/what-is/cve-2023-44221), 1 May 2025. We keep watching the list. ## Which versions of Sma 210 Firmware do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. "before 9.0.0.11-31sv" means every version up to, but not including, 9.0.0.11-31sv. - [CVE-2023-44221](https://www.precursorintelligence.com/what-is/cve-2023-44221) (SonicWall SMA100 Appliances OS Command Injection Vulnerability): up to 10.2.1.9-57sv - [CVE-2021-20035](https://www.precursorintelligence.com/what-is/cve-2021-20035) (SonicWall SMA100 Appliances OS Command Injection Vulnerability): before 9.0.0.11-31sv, 10.2.0.0 to before 10.2.0.8-37sv, 10.2.1.0 to before 10.2.1.1-19sv - [CVE-2021-20028](https://www.precursorintelligence.com/what-is/cve-2021-20028) (SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability): 8.0.0.0 to before 9.0.0.10-28sv - [CVE-2021-20038](https://www.precursorintelligence.com/what-is/cve-2021-20038) (SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability): 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv 1 more exploited flaw names Sma 210 Firmware without a version of its own (for example as the system other affected software runs on). They are in the list below. ## Which Sma 210 Firmware vulnerabilities are being exploited? 5 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2023-44221](https://www.precursorintelligence.com/what-is/cve-2023-44221): SonicWall SMA100 Appliances OS Command Injection Vulnerability. High, CVSS 7.2, chance of use in 30 days 76%, known exploited since 1 May 2025. - [CVE-2021-20035](https://www.precursorintelligence.com/what-is/cve-2021-20035): SonicWall SMA100 Appliances OS Command Injection Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 4.2%, known exploited since 16 April 2025. - [CVE-2021-20028](https://www.precursorintelligence.com/what-is/cve-2021-20028): SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 30%, known exploited since 28 March 2022. - [CVE-2021-20038](https://www.precursorintelligence.com/what-is/cve-2021-20038): SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 28 January 2022. - [CVE-2021-20016](https://www.precursorintelligence.com/what-is/cve-2021-20016): SonicWall SSLVPN SMA100 SQL Injection Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 40%, known exploited since 3 November 2021. ## Which Sma 210 Firmware flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2021-20038](https://www.precursorintelligence.com/what-is/cve-2021-20038): >99%, Critical (CVSS 9.8), known exploited - [CVE-2021-20034](https://www.precursorintelligence.com/what-is/cve-2021-20034): 81%, Critical (CVSS 9.1) - [CVE-2021-20039](https://www.precursorintelligence.com/what-is/cve-2021-20039): 79%, High (CVSS 8.8) - [CVE-2023-44221](https://www.precursorintelligence.com/what-is/cve-2023-44221): 76%, High (CVSS 7.2), known exploited - [CVE-2025-40598](https://www.precursorintelligence.com/what-is/cve-2025-40598): 64%, Medium (CVSS 6.1) - [CVE-2025-40596](https://www.precursorintelligence.com/what-is/cve-2025-40596): 57%, High (CVSS 7.3) - [CVE-2021-20044](https://www.precursorintelligence.com/what-is/cve-2021-20044): 40%, High (CVSS 8.8) - [CVE-2021-20016](https://www.precursorintelligence.com/what-is/cve-2021-20016): 40%, Critical (CVSS 9.8), known exploited - [CVE-2025-40597](https://www.precursorintelligence.com/what-is/cve-2025-40597): 31%, High (CVSS 7.5) - [CVE-2021-20028](https://www.precursorintelligence.com/what-is/cve-2021-20028): 30%, Critical (CVSS 9.8), known exploited ## Questions ### How many vulnerabilities does Sma 210 Firmware have? We track 30 published vulnerabilities listed under the name Sma 210 Firmware, across 19 versions. The most recent Sma 210 Firmware flaw added to the known-exploited list is CVE-2023-44221, on 1 May 2025. ### Which Sma 210 Firmware vulnerabilities are being exploited? 5 are on the list of flaws known to be exploited. The most recently added are CVE-2023-44221, CVE-2021-20035 and CVE-2021-20028. ### Which versions of Sma 210 Firmware do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2023-44221, affects up to 10.2.1.9-57sv. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Sma 210 Firmware? Create a Precursor Intelligence account and track Sma 210 Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running Sma 210 Firmware? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact