CVE-2026-15410: SonicWall SMA1000 Appliances Code Injection Vulnerability

Patch now

HIGH 7.2EXPLOITEDMITIGATEMITIGATEDOWNGRADE

CVE-2026-15410 is a high-severity flaw (CVSS 7.2) affecting sma6210 firmware, sma7210 firmware, sma8200v, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Post-authentication improper control of generation of code ('Code Injection') vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Exploited in the wild (CISA KEV)
Used in ransomware campaigns

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	11.8% (top 4%)
CISA exploited list	Yes, fix due 2026-07-17, used in ransomware
Weakness	CWE-94
Published	2026-07-14
Last modified	2026-10-24

Publisher (CNA): SonicWALL, Inc. · Vendor: sonicwall

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-14Exploited Added to the CISA Known Exploited Vulnerabilities list
2026-07-14 20:16 UTCPublished CVE record published
2026-07-17Deadline CISA due date for US federal agencies to patch
2026-10-24 21:10 UTCUpdated Record last modified

sonicwall sma6210 firmware MITIGATE

Affected: 12.4.3-03245 · 12.4.3-03387 · 12.4.3-03434 · 12.5.0-02283 · 12.5.0-02624 · 12.5.0-02800

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.4.3-03245

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sonicwall sma7210 firmware MITIGATE

Affected: 12.4.3-03245 · 12.4.3-03387 · 12.4.3-03434 · 12.5.0-02283 · 12.5.0-02624 · 12.5.0-02800

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.4.3-03245

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sonicwall sma8200v DOWNGRADE

Affected: 12.4.3-03245 · 12.4.3-03387 · 12.4.3-03434 · 12.5.0-02283 · 12.5.0-02624 · 12.5.0-02800

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.4.3-03245

1. Check installed version

apt-cache policy sma8200v || rpm -q sma8200v || sma8200v --version

2. No fixed release: DOWNGRADE to a release before 12.4.3-03245 (Debian / Ubuntu)

apt-cache madison sma8200v sudo apt install sma8200v=<VERSION_BEFORE_12.4.3-03245> sudo apt-mark hold sma8200v

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sma8200v sudo dnf downgrade sma8200v-<VERSION_BEFORE_12.4.3-03245> sudo dnf versionlock add sma8200v

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · conda · FIXED · 26.9.4-2.fc46 · FEDORA-2026-09931756f1 · source

sudo dnf upgrade --advisory=FEDORA-2026-09931756f1

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: HORKimhab/CVE-2026-15410 (0 stars)

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-15410?

sma6210 firmware: mitigate or apply the listed mitigation; sma7210 firmware: mitigate or apply the listed mitigation; sma8200v: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-15410 being exploited?

Yes. CVE-2026-15410 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2026-15410 affect?

CVE-2026-15410 affects sma6210 firmware, sma7210 firmware, sma8200v. Severity is high (CVSS 7.2). Post-authentication improper control of generation of code ('Code Injection') vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) which in specific conditions could potentially enable a remote authenticated a

How urgent is CVE-2026-15410?

Priority 79/100. High severity; EPSS top 4%: very likely to be exploited; Exploited in the wild (CISA KEV); Used in ransomware campaigns

Software pages

SonicWall vulnerabilities

Related CVEs

CVE-2026-15409 CRITICAL 10.0 EXPLOITED MITIGATE MITIGATE SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
CVE-2026-83549 HIGH 7.8 EXPLOITED UPGRADE UPGRADE SonicWall SMA1000 Appliances OS Command Injection Vulnerability
CVE-2026-83548 CRITICAL 10.0 EXPLOITED UPGRADE UPGRADE SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

References

← Back to latest CVEs