What is the CVSS score of CVE-2022-32383?

CVE-2022-32383 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2022-32383?

Yes, a public proof-of-concept exploit is available for CVE-2022-32383. Prioritise patching immediately. EPSS: 1.4%.

Ac23 Ac2100 Firmware CVE-2022-32383

CRITICAL

Out-of-bounds Write (CWE-787)

2022-07-06 cve@mitre.org

Tenda Memory Corruption Buffer Overflow Ac23 Ac2100 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 06, 2022 - 12:15 nvd

CRITICAL 9.8

DescriptionNVD

Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the AdvSetMacMtuWan function.

AnalysisAI

Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the AdvSetMacMtuWan function. Rated critical severity (CVSS 9.8), 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 Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the AdvSetMacMtuWan function. Affected products include: Tendacn Ac23 Ac2100 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).