Sma 500v Firmware vulnerabilitiesAnd the versions its exploited flaws hit.
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.
The most recent Sma 500v Firmware flaw added to the known-exploited list is CVE-2023-44221, on 1 May 2025. We keep watching the known-exploited list.
Which versions of Sma 500v Firmware do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
Which Sma 500v Firmware vulnerabilities are being exploited?
3 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 7.2SonicWall SMA100 Appliances OS Command Injection Vulnerability
SonicWall SMA100 appliances contain an OS command injection vulnerability in the SSL-VPN management interface that allows a remote, authenticated attacker with administrative privilege to inject arbitrary commands as...
- 9.8SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability
SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.
- 9.8SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability
SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution.
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. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- >99%
A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance.
- 79%CVE-2021-20039High
Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user.
- 76%
Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary commands as a 'nobody' user, potentially...
- 64%CVE-2025-40598Medium
A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScript code.
- 57%CVE-2025-40596High
A Stack-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution.
- 40%CVE-2021-20044High
A post-authentication remote command injection vulnerability in SonicWall SMA100 allows a remote authenticated attacker to execute OS system commands in the appliance.
- 31%CVE-2025-40597High
A Heap-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution.
- 30%
Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or...
- 25%CVE-2021-20045Critical
A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance.
- 25%CVE-2021-20040High
A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user.
Running Sma 500v Firmware? We'll keep checking.
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1 flaw being exploited affects software Acme tracks
SonicWall SMA100 appliances contain an OS command injection vulnerability in the SSL-VPN management interface that allows a remote, authenticated attacker with administrative privilege to inject arbitrary commands as a 'nobody' user.
- Matched to
- Sma 500v Firmware on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
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.
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.
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.