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CVE-2026-15409

critical

Description

A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.

From the Tenable Blog

SonicWall CVE-2026-15409 and CVE-2026-15410 zero-day exploited | Tenable®
SonicWall CVE-2026-15409 and CVE-2026-15410 zero-day exploited | Tenable®

Published: 2026-07-15

SonicWall SMA1000 CVE-2026-15409 and CVE-2026-15410 zero-days have been exploited in the wild

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0008

https://www.theregister.com/security/2026/09/02/sonicwalls-sma1000-boxes-under-active-attack-again/5293969

https://www.darkreading.com/vulnerabilities-threats/sonicwall-sma-1000-zero-days-unauthenticated-rce

https://www.bleepingcomputer.com/news/security/sonicwall-warns-of-actively-exploited-sma1000-zero-day-flaws/

https://thehackernews.com/2026/09/attackers-exploit-two-sonicwall-sma.html

https://securityaffairs.com/198303/security/sonicwall-patches-two-new-actively-exploited-zero-days-in-sma-1000-vpns.html

https://www.bleepingcomputer.com/news/security/cisa-sonicwall-sma1000-flaws-now-exploited-by-ransomware-gangs/

https://securityaffairs.com/196607/malware/inc-ransomware-is-calling-victims-pressure-tactics-post-sonicwall-zero-day-exploit.html

https://cyberscoop.com/inc-ransomware-sonicwall-zero-day-attacks/

https://www.securityweek.com/recent-sonicwall-vulnerabilities-exploited-in-ransomware-attacks/

https://thehackernews.com/2026/08/inc-ransomware-emerges-as-dominant.html

https://www.bleepingcomputer.com/news/security/new-infratrust-report-reveals-infrastructure-flaws-admins-should-patch-first/

https://www.helpnetsecurity.com/2026/07/21/sonicwall-sma-zero-days-exploited-cve-2026-15409-cve-2026-15410/

https://www.securityweek.com/sonicwall-zero-days-exploited-to-deliver-custom-malware-for-weeks-before-patch/

https://www.bleepingcomputer.com/news/security/sonicwall-sma1000-flaws-exploited-as-zero-days-to-push-custom-malware/

https://www.volexity.com/blog/2026/07/17/proxying-to-compromise-sonicwall-secure-mobile-access-0-day-exploitation/

https://www.darkreading.com/vulnerabilities-threats/inc-ransomware-exploits-sonicwall-sma-zero-days

https://www.sophos.com/en-us/blog/sonicwall-sma1000-vulnerabilities-in-active-exploitation

https://www.securityweek.com/sonicwall-issues-urgent-sma-patch-warning-for-two-zero-day-exploits/

https://thehackernews.com/2026/07/two-sonicwall-sma-1000-zero-days.html

https://securityaffairs.com/195383/security/u-s-cisa-adds-sonicwall-and-microsoft-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://securityaffairs.com/195364/hacking/sonicwall-warns-of-active-exploitation-of-two-sma-1000-zero-days.html

https://cyberscoop.com/sonicwall-zero-day-vulnerabilities-exploited/

https://www.helpnetsecurity.com/2026/07/14/sonicwall-sma-attacks-via-cve-2026-15409-cve-2026-15410/

https://www.cisa.gov/news-events/alerts/2026/07/14/cisa-adds-four-known-exploited-vulnerabilities-catalog

https://www.bleepingcomputer.com/news/security/sonicwall-warns-of-sma1000-flaws-exploited-in-zero-day-attacks-patch-now/

https://www.tenable.com/blog/edge-infrastructure-under-siege

https://www.tenable.com/blog/cve-2026-15409-cve-2026-15410-sonicwall-sma-1000-zero-day-vulnerabilities-exploited-in-the

https://github.com/Ch4120N/CVE-2026-15409

https://github.com/tc4dy/CVE-2026-60206-PoC-Exploit

https://github.com/tc4dy/CVE-2026-6875-PoC-Exploit

https://github.com/MrRawBit/SonicWall-SMA1000-Zero-Day-IoC-Check

https://github.com/0xBlackash/CVE-2026-15409

https://github.com/remmons-r7/rapid7-CVE-2026-15409

https://github.com/HORKimhab/CVE-2026-15409

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-15409

Details

Source: Mitre, NVD

Published: 2026-07-14

Updated: 2026-07-16

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.84535

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest