What is the CVSS score of CVE-2022-30033?

CVE-2022-30033 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2022-30033?

Yes, a public proof-of-concept exploit is available for CVE-2022-30033. Prioritise patching immediately. EPSS: 1.1%.

Tx9 Pro Firmware CVE-2022-30033

HIGH

Classic Buffer Overflow (CWE-120)

2022-05-18 cve@mitre.org

Tenda Buffer Overflow Tx9 Pro Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

May 18, 2022 - 20:15 nvd

HIGH 7.5

DescriptionNVD

Tenda TX9 Pro V22.03.02.10 is vulnerable to Buffer Overflow via the functtion setIPv6Status() in httpd module.

AnalysisAI

Tenda TX9 Pro V22.03.02.10 is vulnerable to Buffer Overflow via the functtion setIPv6Status() in httpd module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Tenda TX9 Pro V22.03.02.10 is vulnerable to Buffer Overflow via the functtion setIPv6Status() in httpd module. Affected products include: Tenda Tx9 Pro Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.