PT-2026-31397 · Sonicwall · Sma1000 Series

Published 2026-04-08 · Updated 2026-05-17 · CVE-2026-4116

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SonicWall SMA1000 series appliances (affected versions not specified)

Description Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-176

Related Identifiers

BDU:2026-06580

CVE-2026-4116

Affected Products

Sma1000 Series

References · 9

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0003 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-4116 · Security Note
• https://bdu.fstec.ru/vul/2026-06580 · Security Note
• https://twitter.com/CVEnew/status/2042302831663951962 · Twitter Post
• https://twitter.com/f1tym1/status/2055906143122145682 · Twitter Post
• https://twitter.com/autumn_good_35/status/2042599898412199974 · Twitter Post
• https://t.me/cveNotify/163509 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2042351854307160130 · Twitter Post
• https://reddit.com/r/sonicwall/comments/1sfz2pq/sma1000_vulnerabilities · Reddit Post