SonicWall vulnerabilities19 known to be exploited.

Vendor19 known exploited
The short answer

SonicWall has 203 published vulnerabilities across 331 products in our catalogue. 19 of them are on the list of flaws known to be exploited, so criminals are using them now. The most affected product is SonicOS, with 59. If you run SonicWall software, patch the exploited flaws first.

See the exploited flaws

The most recent SonicWall flaw added to the known-exploited list is CVE-2026-15409, on 14 July 2026. We keep watching the known-exploited list.

Products

Which SonicWall products have the most vulnerabilities?

SonicOS leads with 59 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

Known exploited

Which SonicWall vulnerabilities are being exploited?

19 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.

  1. 10.0
    CVE-2026-15409CriticalKnown exploited
    SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

    SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to potentially cause the appliance to make requests to unintended location.

    Chance of use6.8%Known exploited since14 Jul 2026
  2. 7.2
    CVE-2026-15410HighKnown exploited
    SonicWall SMA1000 Appliances Code Injection Vulnerability

    SonicWall SMA1000 Appliances contain a code injection vulnerability which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands.

    Chance of use12%Known exploited since14 Jul 2026
  3. 7.2
    CVE-2023-44221HighKnown exploited
    SonicWall 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...

    Chance of use76%Known exploited since1 May 2025
  4. 6.5
    CVE-2021-20035MediumKnown exploited
    SonicWall SMA100 Appliances OS Command Injection Vulnerability

    SonicWall SMA100 appliances contain an OS command injection vulnerability in the management interface that allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user, which could...

    Chance of use4.2%Known exploited since16 Apr 2025
  5. 9.8
    CVE-2024-53704CriticalKnown exploited
    SonicWall SonicOS SSLVPN Improper Authentication Vulnerability

    SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.

    Chance of use95%Known exploited since18 Feb 2025
  6. 9.8
    CVE-2025-23006CriticalKnown exploited
    SonicWall SMA1000 Appliances Deserialization Vulnerability

    SonicWall SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC) contain a deserialization of untrusted data vulnerability, which can enable a remote, unauthenticated attacker to execute...

    Chance of use23%Known exploited since24 Jan 2025
  7. 9.8
    CVE-2024-40766CriticalKnown exploited
    SonicWall SonicOS Improper Access Control Vulnerability

    SonicWall SonicOS contains an improper access control vulnerability that could lead to unauthorized resource access and, under certain conditions, may cause the firewall to crash.

    Chance of use18%Known exploited since9 Sep 2024
  8. 9.0
    CVE-2021-45046CriticalKnown exploited
    Apache Log4j2 Deserialization of Untrusted Data Vulnerability

    Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain...

    Chance of use>99%Known exploited since1 May 2023
Exploit likelihood

Which SonicWall 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.

50% or more10% to 49%Under 10%
  1. >99%

    Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups.

    CVSS5.9Published18 Dec 2021
  2. >99%
    CVE-2021-45046CriticalKnown exploited

    It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations.

    CVSS9.0Published14 Dec 2021
  3. >99%
    CVE-2021-20038CriticalKnown exploited

    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.

    CVSS9.8Published8 Dec 2021
  4. >99%
    CVE-2019-7481HighKnown exploited

    Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources.

    CVSS7.5Published17 Dec 2019
  5. >99%

    A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd).

    CVSS8.1Published1 Jul 2024
  6. 95%
    CVE-2024-53704CriticalKnown exploited

    An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

    CVSS9.8Published9 Jan 2025
  7. 93%
    CVE-2022-0847HighKnown exploited

    A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values.

    CVSS7.8Published10 Mar 2022
  8. 89%

    An Authentication Bypass Vulnerability exists in DELL SonicWALL Analyzer 7.0, Global Management System (GMS) 4.1, 5.0, 5.1, 6.0, and 7.0; Universal Management Appliance (UMA) 5.1, 6.0, and 7.0 and ViewPoint 4.1, 5.0,...

    CVSS9.8Published11 Feb 2020
  9. 89%
    CVE-2021-20021CriticalKnown exploited

    A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.

    CVSS9.8Published9 Apr 2021
Every product

All SonicWall products we track.

94 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

This directory lists the 94 SonicWall products with at least one tracked version, of 331 in our catalogue.

Precursor Intelligence

Running SonicWall? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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Our catalogue lists 203 published vulnerabilities across 331 products and 438 versions from SonicWall. The most recent SonicWall flaw added to the known-exploited list is CVE-2026-15409, on 14 July 2026.

19 SonicWall vulnerabilities are on the list of flaws known to be exploited. The most recently added are CVE-2026-15409, CVE-2026-15410 and CVE-2023-44221. The full list is on this page.

SonicOS, with 59 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the SonicWall products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.