Read the docs
TI-2026-74508 Aliases CVE-2026-96540GHSA-3w7w-j3fw-8r8g

Improper access control in SonicWall NSM export settings exposes data

Priority MEDIUM 40CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

SonicWall Network Security Manager (NSM) on-prem versions 4.3.1 and earlier are affected. An improper access control flaw in export settings (CWE-863) lets a remote authenticated attacker obtain sensitive information. The attacker may escalate privileges to an administrator or intercept communications of other users of the NSM instance.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

An improper access control vulnerability has been identified in the SonicWall Network Security Manager (NSM) on-prem in export settings, potentially allowing a remote authenticated attacker to obtain sensitive information. This may allow the attacker to escalate privileges to an administrator or to intercept communications of other users of the NSM instance.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00311 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonicWallNetwork Security Manager (NSM)4.3.1 and earlier versions—No fix listedCNA
  • Network Security Manager (NSM) VendorSonicWall Affected 4.3.1 and earlier versions Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Network Security Manager (NSM).

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    SonicWall Network Security Manager (NSM) — psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0018

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-74481 OS command injection in SonicWall Network Security Manager on-premPriority LOW 36

Timeline

  1. 2026-10-15 Threatist record created from CVE-2026-96540
  2. 2026-10-16 Alias added: GHSA-3w7w-j3fw-8r8g
  3. 2026-10-16 CVSS score added · CISA ADP
  4. 2026-10-16 CISA SSVC decision points changed
  5. 2026-10-16 Priority changed: LOW → MEDIUM

References

  • TI-2026-57684 Server-side request forgery in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-12965 Server-side request forgery in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-16819 Deserialization of untrusted data in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-03356 Stack-based buffer overflow in SonicWall SMA100 KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-03349 SQL injection in SonicWall SRA/SMA100 KEVCVSS 3.1CRITICAL 9.8
See all 283 →

Sources