# Sma 500v Firmware vulnerabilities > Sma 500v Firmware is made by SonicWall. We track 27 published vulnerabilities in it, across 16 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 1 May 2025. If you run Sma 500v Firmware, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/sonicwall/sma_500v_firmware ## At a glance - **Made by:** [SonicWall](https://www.precursorintelligence.com/vendors/sonicwall) - **Published vulnerabilities:** 27 - **Known to be exploited:** 3 - **Versions tracked:** 16 - **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 500v Firmware do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. "8.0.0.0 to before 9.0.0.10-28sv" means from 8.0.0.0 up to, but not including, 9.0.0.10-28sv. - [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-2021-20028](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 ## Which Sma 500v Firmware vulnerabilities are being exploited? 3 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-2021-20028](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. ## Which Sma 500v 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-2021-20039](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-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 - [CVE-2021-20045](https://www.precursorintelligence.com/what-is/cve-2021-20045): 25%, Critical (CVSS 9.8) - [CVE-2021-20040](https://www.precursorintelligence.com/what-is/cve-2021-20040): 25%, High (CVSS 7.5) ## Questions ### How many vulnerabilities does Sma 500v Firmware have? We track 27 published vulnerabilities listed under the name Sma 500v Firmware, across 16 versions. The most recent Sma 500v Firmware flaw added to the known-exploited list is CVE-2023-44221, on 1 May 2025. ### Which Sma 500v Firmware vulnerabilities are being exploited? 3 are on the list of flaws known to be exploited. The most recently added are CVE-2023-44221, CVE-2021-20028 and CVE-2021-20038. ### Which versions of Sma 500v 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 500v Firmware? Create a Precursor Intelligence account and track Sma 500v 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 500v 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