CVE-2022-22276
MediumCVSS 5.3Exploitation Probability (EPSS)
Elevated risk57th percentile - higher than 57% of all known CVEs
Summary
A vulnerability in the SonicOS SNMP service results in the exposure of sensitive information to an unauthorized user.
Risk Assessment
An unauthorized user may gain access to sensitive information, compromising confidentiality and potentially facilitating further attacks.
Recommendation
Update SonicOS to a patched version and restrict SNMP access while using secure SNMP configurations.
Other vulnerabilities in SonicOS
See all- CVE-2026-19868HighActively exploited
An authentication enforcement vulnerability in the SonicOS SSLVPN service may allow a user with valid credentials for an alternate authentication method to bypass SAML authentication controls. Successful exploitation may also bypass SAML-enforced multi-factor authentication (MFA).
- CVE-2025-40600Critical
Use of an externally-controlled format string vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption.
- CVE-2024-22394Critical
An improper authentication vulnerability has been identified in the SonicWall SonicOS SSL-VPN feature, which under specific conditions could allow a remote attacker to bypass authentication. This issue affects only firmware version SonicOS 7.1.1-7040.
- CVE-2023-0656High
A stack-based buffer overflow vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
- CVE-2022-22274Critical
A stack-based buffer overflow vulnerability in SonicOS triggered via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially result in code execution in the firewall.
- CVE-2021-20031Medium
A Host Header Redirection vulnerability exists in SonicOS. A remote attacker could potentially redirect firewall management users to arbitrary web domains.
- CVE-2020-5135CriticalActively exploited
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. It affects SonicOS Gen 6 versions 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
- CVE-2026-82308High
A pre-authentication heap-based buffer overflow vulnerability was identified in the SonicOS SSL-VPN service. It could allow a remote unauthenticated attacker to cause an application-level denial of service.
- CVE-2026-77709Medium
A pre-authentication heap-based buffer overflow vulnerability was identified in the SonicOS TACACS+ authentication client. Under specific conditions it could allow a remote unauthenticated attacker to cause an application-level denial of service.
- CVE-2026-77708Medium
A pre-authentication stack-based buffer overflow vulnerability was identified in the SonicOS TACACS+ authentication client. Under specific conditions it could allow a remote unauthenticated attacker to cause an application-level denial of service.
Original NVD description (English source)
A vulnerability in SonicOS SNMP service resulting exposure of sensitive information to an unauthorized user.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS