What is the CVSS score of CVE-2022-36473?

CVE-2022-36473 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2022-36473?

Yes, a public proof-of-concept exploit is available for CVE-2022-36473. Prioritise patching immediately. EPSS: 0.3%.

B5 Mini Firmware CVE-2022-36473

HIGH

Out-of-bounds Write (CWE-787)

2022-08-25 cve@mitre.org

Memory Corruption Buffer Overflow B5 Mini Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 25, 2022 - 14:15 nvd

HIGH 7.8

DescriptionNVD

H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function Edit_BasicSSID_5G.

AnalysisAI

H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function Edit_BasicSSID_5G. Rated high severity (CVSS 7.8), this vulnerability is 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. H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function Edit_BasicSSID_5G. Affected products include: H3C B5 Mini 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).