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6.5

SonicWall SonicOS read‑only admin can crash firewall

CVE-2019-7474 · published 7 years ago
Summary

A read‑only administrator on SonicWall SonicOS or SonicOSv can cause the firewall to become unstable by downloading a specially crafted certificate file. This may lead to service disruptions or require a restart. Apply the latest SonicWall firmware updates that fix this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
sonicwall sonicos <= 5.9.1.10
6.0.5.3-86o
6.2.7.3
6.2.7.8
6.4.0.0
6.5.1.3
6.5.1.8
6.5.2.2
6.5.3.1
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
sonicwall sonicosv 6.5.0.2-8v_rc363
6.5.0.2.8v_rc366
6.5.0.2.8v_rc367
6.5.0.2.8v_rc368
cpe:2.3:o:sonicwall:sonicosv:6.5.0.2-8v_rc363:*:*:*:*:vmware:*:*
Original advisory text
A vulnerability in SonicWall SonicOS and SonicOSv, allow authenticated read-only admin to leave the firewall in an unstable state by downloading certificate with specific extension. This vulnerabil...
A vulnerability in SonicWall SonicOS and SonicOSv, allow authenticated read-only admin to leave the firewall in an unstable state by downloading certificate with specific extension. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-248Uncaught Exception
CWE-755Improper Handling of Exceptional Conditions
Timeline
Published2 Apr 2019
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-7474 · NVD
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