What is the CVSS score of CVE-2022-35911?

CVE-2022-35911 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: 2.0%.

Is there a public PoC exploit available for CVE-2022-35911?

Yes, a public proof-of-concept exploit is available for CVE-2022-35911. Prioritise patching immediately. EPSS: 2.0%.

Nhp Fb2 Firmware CVE-2022-35911

HIGH

Buffer Overflow (CWE-119)

2022-07-27 cve@mitre.org

Denial Of Service Buffer Overflow Nhp Fb2 Firmware Nhl Fb2 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

Jul 27, 2022 - 21:15 nvd

HIGH 7.5

DescriptionNVD

On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the query string. NOTE: the vendor's perspective is that "omitting the query string does not cause a denial of service and the indicated event can not be reproduced.

AnalysisAI

On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the query string. 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 Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the query string. NOTE: the vendor's perspective is that "omitting the query string does not cause a denial of service and the indicated event can not be reproduced. Affected products include: Patlite Nhp-Fb2 Firmware, Patlite Nhl-Fb2 Firmware. Version information: through 1.46.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.