What is the CVSS score of CVE-2023-38591?

CVE-2023-38591 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2023-38591?

Yes, a public proof-of-concept exploit is available for CVE-2023-38591. Prioritise patching immediately. EPSS: 0.8%.

Dg834Gv5 Firmware CVE-2023-38591

HIGH

Classic Buffer Overflow (CWE-120)

2023-08-07 cve@mitre.org

Buffer Overflow Netgear Dg834Gv5 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 07, 2023 - 19:15 nvd

HIGH 8.8

DescriptionNVD

Netgear DG834Gv5 1.6.01.34 was discovered to contain multiple buffer overflows via the wla_ssid and wla_temp_ssid parameters at bsw_ssid.cgi.

AnalysisAI

Netgear DG834Gv5 1.6.01.34 was discovered to contain multiple buffer overflows via the wla_ssid and wla_temp_ssid parameters at bsw_ssid.cgi. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, 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. Netgear DG834Gv5 1.6.01.34 was discovered to contain multiple buffer overflows via the wla_ssid and wla_temp_ssid parameters at bsw_ssid.cgi. Affected products include: Netgear Dg834Gv5 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.