SO
Product
SonicOS
by SonicWall · last CVE Aug 5, 2026
On CISA KEVExploited in the wildRansomware-linked
77
CVEs
3
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 15High 30Medium 31Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-53704
RansomwareIn wildKEV
9.8
95%
Jan 9
SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
Affected: 7.1.1-7058 and older versions; 7.1.2-7019; 8.0.0-8035
CVE-2024-40766
RansomwareIn wildKEV
9.8
18%
Aug 23
SonicWall SonicOS Improper Access Control Vulnerability
Affected: 5.9.2.14-12o and older versions; 6.5.4.14-109n and older versions; 7.0.1-5035 and older versions
CVE-2020-5135
RansomwareIn wildKEV
9.8
27%
Oct 12
SonicWall SonicOS Buffer Overflow Vulnerability
Affected: SonicOS 6.5.4.7-79n and earlier; SonicOS 6.5.1.11-4n and earlier; SonicOS 6.0.5.3-93o and earlier; SonicOSv 6.5.4.4-44v-21-794 and earlier; SonicOS 7.0.0.0-1
CVE-2025-40600
9.8
1%
Jul 29
Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption
Affected: 7.1.1-7040 before 7.3.0-7012
CVE-2024-40765
9.8
1%
Jan 9
An Integer-based buffer overflow vulnerability in the SonicOS via IPSec allows a remote attacker in specific conditions to cause Denial of Service (DoS) and potentially execute…
Affected: 6.5.4.4-44v-21-2395 and older versions; 7.0.1-5151 and older versions; 7.1.1-7051 and older versions
CVE-2024-40762
9.8
1%
Jan 9
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in the SonicOS SSLVPN authentication token generator that, in certain cases, can be predicted by an attacker…
Affected: 7.1.1-7058 and older versions; 7.1.2-7019; 8.0.0-8035
CVE-2024-22394
9.8
1%
Feb 8
An improper authentication vulnerability has been identified in SonicWall SonicOS SSL-VPN feature, which in specific conditions could allow a remote attacker to bypass…
Affected: 7.1.1-7040
CVE-2022-22274
9.8
76%
Mar 25
A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in…
Affected: through 7.0.1-5050; through 7.0.1-r579
CVE-2019-12261
9.8
9%
Aug 9
Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4)
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-12260
9.8
23%
Aug 9
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4)
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-12255
9.8
75%
Aug 9
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4)
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-12256
9.8
27%
Aug 9
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-7475
9.8
1%
Apr 2
A vulnerability in SonicWall SonicOS and SonicOSv with management enabled system on specific configuration allow unprivileged user to access advanced routing services
Affected: through 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; +3 more
CVE-2024-12802
9.1
0%
Jan 9
SSL-VPN MFA Bypass in SonicWALL SSL-VPN can arise in specific cases due to the separate handling of UPN (User Principal Name) and SAM (Security Account Manager) account names when…
Affected: 6.5.4.4-44v-21-2457 and older versions; 6.5.4.15-117n and older versions; 7.0.1-5161 and older versions; 7.1.1-7058 and older versions; 7.1.2-7019; 8.0.0-8035
CVE-2024-3596
9.0
15%
Jul 9
RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.
Affected: All versions, or not specified
CVE-2023-41715
8.8
1%
Oct 17
SonicOS post-authentication Improper Privilege Management vulnerability in the SonicOS SSL VPN Tunnel allows users to elevate their privileges inside the tunnel
Affected: before 7.0.1-5145; before 6.5.4.4-44v-21-2340; before 6.5.4.13-105n
CVE-2023-1101
8.8
1%
Mar 2
SonicOS SSLVPN improper restriction of excessive MFA attempts vulnerability allows an authenticated attacker to use excessive MFA codes
Affected: before 7.0.1-5111; through 7.0.1-5083; through 6.5.4.4-44v-21-1551; through 6.5.4.11-97n
CVE-2021-20048
8.8
2%
Jan 10
A Stack-based buffer overflow in the SonicOS SessionID HTTP response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code…
Affected: through 7.0.1-r1456; through 7.0.1-5023-1349; through 7.0.1-5018-r1715; through 6.5.4.8; through 6.5.1.13-1n; through 6.0.5.3-94o; +1 more
CVE-2021-20046
8.8
2%
Jan 10
A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in…
Affected: through 7.0.1-r146; through 7.0.1-5023-1349; through 7.0.1-5018-r1715; through 6.5.4.8-89n; through 6.5.1.13-1n; through 6.0.5.3-94o; +1 more
CVE-2019-12257
8.8
84%
Aug 9
Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-12263
8.1
3%
Aug 9
Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4)
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2026-0204
8.0
0%
Apr 29
A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions
Affected: 6.5.5.1-6n and older versions; 7.0.1-5169 and older versions; 7.3.1-7013 and older versions; 8.1.0-8017 and older versions
CVE-2024-53706
7.8
0%
Jan 9
A vulnerability in the Gen7 SonicOS Cloud platform NSv, allows a remote authenticated local low-privileged attacker to elevate privileges to `root` and potentially lead to code…
Affected: 7.1.1-7058 and older versions; 7.1.2-7019
CVE-2019-7487
7.8
0%
Dec 19
Installation of the SonicOS SSLVPN NACagent 3.5 on the Windows operating system, an autorun value is created does not put the path in quotes, so if a malicious binary by an…
Affected: through 6.5.3.3
CVE-2025-40601
7.5
1%
Nov 20
A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted…
Affected: 7.1.1-7040 before 7.3.1-7013; before 8.0.3-8011
CVE-2024-53705
7.5
1%
Jan 9
A Server-Side Request Forgery vulnerability in the SonicOS SSH management interface allows a remote attacker to establish a TCP connection to an IP address on any port when the…
Affected: 6.5.4.15-117n and older versions; 7.0.1-5161 and older versions; 7.1.1-7058 and older versions; 7.1.2-7019; 8.0.0-8035
CVE-2024-40764
7.5
1%
Jul 18
Heap-based buffer overflow vulnerability in the SonicOS IPSec VPN allows an unauthenticated remote attacker to cause Denial of Service (DoS)
Affected: before 6.5.4.v-21s-rc2457; before 7.0.1-5161; 7.1.1-7040 before 7.1.1-7058
CVE-2024-29012
7.5
1%
Jun 20
Stack-based buffer overflow vulnerability in the SonicOS HTTP server allows an authenticated remote attacker to cause Denial of Service (DoS) via sscanf function
Affected: before 7.0.1-5161; 7.1.1 before 7.1.1-7058; 7.1.2 before 7.1.2-7019
CVE-2023-41713
7.5
1%
Oct 17
SonicOS Use of Hard-coded Password vulnerability in the 'dynHandleBuyToolbar' demo function
Affected: before 7.0.1-5145; before 6.5.4.4-44v-21-2340; before 6.5.4.13-105n
CVE-2023-0656
7.5
41%
Mar 2
A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to…
Affected: through 7.0.1-5111; through 7.0.1-5083; through 6.5.4.4-44v-21-1551
CVE-2022-22275
7.5
1%
Apr 27
Improper Restriction of TCP Communication Channel in HTTP/S inbound traffic from WAN to DMZ bypassing security policy until TCP handshake potentially resulting in Denial of…
Affected: 7.0.0.0 through 7.0.1-5030-r2007; 7.0.0.0 through 7.0.1.0-5030-1391; 7.0.0.0 through 7.0.1-5030-r780
CVE-2021-20019
7.5
1%
Jun 23
A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data…
Affected: 7.0.0 before 7.0.0.376; 7.0.1 before 7.0.1-r1036; 6.0.5.3-94o; 6.5.1.12-3n; 6.5.4.7-83n
CVE-2021-20027
7.5
1%
Jun 14
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request
Affected: through 7.0.1-r1262; through 7.0.1-r.1219; through 7.0.1-r514; through 5.9.1.13; through 6.5.1.12; through 6.5.4.7; +1 more
CVE-2020-5140
7.5
2%
Oct 12
A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service by sending a malicious HTTP request that leads…
Affected: through 5.9.1.13; 6.0.0.0 through 6.0.5.3; 6.5.0.0 through 6.5.1.11; 6.5.4.0 through 6.5.4.7; 7.0.0.0
CVE-2020-5139
7.5
2%
Oct 12
A vulnerability in SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS) due to the release of Invalid pointer and leads to a firewall…
Affected: through 5.9.1.13; 6.0.0.0 through 6.0.5.3; 6.5.0.0 through 6.5.1.11; 6.5.4.0 through 6.5.4.7; 7.0.0.0
CVE-2020-5138
7.5
2%
Oct 12
A Heap Overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to SonicOS crash
Affected: through 5.9.1.13; 6.0.0.0 through 6.0.5.3; 6.5.0.0 through 6.5.1.11; 6.5.4.0 through 6.5.4.7; 7.0.0.0
CVE-2020-5137
7.5
2%
Oct 12
A buffer overflow vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to firewall crash
Affected: through 5.9.1.13; 6.0.0.0 through 6.0.5.3; 6.5.0.0 through 6.5.1.11; 6.5.4.0 through 6.5.4.7; 7.0.0.0
CVE-2020-5133
7.5
2%
Oct 12
A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash
Affected: 6.0.0.0 through 6.0.5.3; 6.5.0.0 through 6.5.1.11; 7.0.0.0
CVE-2019-12258
7.5
23%
Aug 9
Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-12259
7.5
16%
Aug 9
Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component
Affected: 5.9.0.0 through 5.9.0.7; 5.9.1.0. through 5.9.1.12; 6.2.0.0 through 6.2.3.1; 6.2.4.0 through 6.2.4.3; 6.2.5.0 through 6.2.5.3; 6.2.6.0 through 6.2.6.1; +10 more
CVE-2019-7477
7.5
1%
Apr 2
A vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher allow remote attackers to obtain sensitive plaintext data when CBC cipher suites are enabled
Affected: through 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; +3 more
CVE-2021-3450
7.4
18%
Mar 25
CA certificate check bypass with X509_V_FLAG_X509_STRICT
Affected: through 7.0.1-r1456
CVE-2024-12805
7.2
1%
Jan 9
A post-authentication format string vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution
Affected: 6.5.4.15-117n and older versions; 7.0.1-5161 and older version; 7.1.2-7019; 8.0.0-8035
CVE-2024-12803
7.2
1%
Jan 9
A post-authentication stack-based buffer overflow vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution
Affected: 6.5.4.15-117n and older versions; 7.0.1-5161 and older version; 7.1.2-7019; 8.0.0-8035
CVE-2019-7479
7.2
1%
Dec 31
A vulnerability in SonicOS allow authenticated read-only admin can elevate permissions to configuration mode
Affected: through 5.9.1.12-4o; 6.2.7.4-32n; 6.2.7.10-3n; 6.4.1.0-3n; 6.5.1.4-4n; 6.5.1.9-4n; +2 more
CVE-2026-0205
6.8
0%
Apr 29
A post-authentication Path Traversal vulnerability in SonicOS allows an attacker to interact with usually restricted services
Affected: 6.5.5.1-6n and older versions; 7.0.1-5169 and older versions; 7.3.1-7013 and older versions; 8.1.0-8017 and older versions
CVE-2026-0516
6.5
0%
Aug 5
A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall…
Affected: 6.5.5.2-28n and older versions; 7.0.1-5169 and older versions; 7.3.3-7015 and older versions; 8.2.1-8010 and older versions
CVE-2024-29013
6.5
1%
Jun 20
Heap-based buffer overflow vulnerability in the SonicOS SSL-VPN allows an authenticated remote attacker to cause Denial of Service (DoS) via memcpy function
Affected: before 7.0.1-5161; 7.1.1 before 7.1.1-7058; 7.1.2 before 7.1.2-7019
CVE-2023-41712
6.5
1%
Oct 17
SonicOS post-authentication Stack-Based Buffer Overflow Vulnerability in the SSL VPN plainprefs.exp URL endpoint leads to a firewall crash
Affected: before 7.0.1-5145; before 6.5.4.4-44v-21-2340; before 6.5.4.13-105n
CVE-2023-41711
6.5
1%
Oct 17
SonicOS post-authentication Stack-Based Buffer Overflow Vulnerability in the sonicwall.exp, prefs.exp URL endpoints lead to a firewall crash
Affected: before 7.0.1-5145; before 6.5.4.4-44v-21-2340; before 6.5.4.13-105n
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