What is the CVSS score of CVE-2023-44835?

CVE-2023-44835 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: 0.9%.

Is there a public PoC exploit available for CVE-2023-44835?

Yes, a public proof-of-concept exploit is available for CVE-2023-44835. Prioritise patching immediately. EPSS: 0.9%.

Dir 823G Firmware CVE-2023-44835

HIGH

Classic Buffer Overflow (CWE-120)

2023-10-05 cve@mitre.org

Buffer Overflow D-Link Denial Of Service Dir 823G 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

Oct 05, 2023 - 16:15 nvd

HIGH 7.5

DescriptionNVD

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the Mac parameter in the SetParentsControlInfo function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

AnalysisAI

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the Mac parameter in the SetParentsControlInfo function. 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. D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the Mac parameter in the SetParentsControlInfo function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. Affected products include: Dlink Dir-823G 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.